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harikrish
Need an explanation for eliminating C over B. Can someone help

C has a clear subject - verb agreement error.

Read C: their advocacy [Subject] for ordinances that mandate fees on plastic containers prevent [Main verb] -- it should be prevents because advocacy is singular.

Hope this helps.
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Quote:
A mandating that fees be on plastic containers prevent
"that " is actually not referring to anything. even if we look for nearest noun(ordinances) it makes no sense at all.
Quote:
B mandating fees on plastic containers is preventing
no pronoun error is removed and meaning is correct.
rest of the choices are easy to remove.
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A mandating that fees be on plastic containers prevent - *that* is wrong here. Infinitive firm also not required.
B mandating fees on plastic containers is preventing -hold
C that mandate fees on plastic containers prevent- that is unnecessary
D to mandate fees on plastic containers are preventing - again SVA error.
E to mandate fees on plastic containers is preventing- hold
Between B and E, the infinitive form is unnecessary as it is used when we need to present the purpose or the intention of an action. This phrase is actually a shorter way of “writing” “in order to verb”. Not the case here hence B.
Hence ans is B

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A mandating that fees be on plastic containers prevent -redundant & wordy
B mandating fees on plastic containers is preventing - correct (sva)
C that mandate fees on plastic containers prevent - incorrect sva (prevent is plural but subject advocacy is singular)
D to mandate fees on plastic containers are preventing - svae
E to mandate fees on plastic containers is preventing -- to not required
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Test takers must know that this question contains important and common pattern. B is such the pattern
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We are using "mandate" out here which is subjunctive verb. And subjunctive form comes in below form only,

Subjunctive clause+ that + S+V+O
So, out here usage of that is mandatory.
Under same option 1 should be only correct answer as that only follows this standard.
Would someone pls elaborate why we have diverted from very standard rule.
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This question is derived from an OG question:

OG16 SC134
Last week local shrimpers held a news conference to take some credit for the resurgence of the rare Kemp's ridley turtle, saying that their compliance with laws requiring that turtle-excluder devices be on shrimp nets protect adult sea turtles.

A. requiring that turtle-excluder devices be on shrimp nets protect
B. requiring turtle-excluder devices on shrimp nets is protecting
C. that require turtle-excluder devices on shrimp nets protect
D. to require turtle-excluder devices on shrimp nets are protecting
E. to require turtle-excluder devices on shrimp nets is protecting
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chesstitans
Test takers must know that this question contains important and common pattern. B is such the pattern

chesstitans


Can you please elaborate on why you think that this is such an important pattern and perhaps highlight the special structure?

Thanks in advance :-)
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C has a clear SV agreement problem, ‘advocacy; is singular but ‘prevent’ is plural. ‘Fees be on’ is very awkwardly constructed. So A should not be considered. D has SV agreement problem too, ‘advocacy’ is singular ‘are’ is plural. ‘to mandate’ in E is improperly constructed, so B is the right answer.
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But mandating here is not a subjunctive?, I don't understand.
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shouldn't option E be preferred over B?
As we prefer to+verb over verb-ing
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Shouldn't there be a comma after ordinances for option B to be true?
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The phrase "mandating fees on plastic containers" is a noun modifier, so a comma would not be appropriate. (Comma + -ing typically indicates an adverbial modifier.

The meaning here is that the advocacy is preventing litter. Which advocacy? The advocacy for ordinances. Which ordinances? The ordinances mandating fees on plastic containers.

A and C get the verb wrong ("advocacy . . . prevent"). It also doesn't make much sense to say "mandate that fees be on plastic containers."
D and E suggest that the ordinances exist in order to mandate fees. It makes more sense to simply say that the ordinances *do* mandate fees. It's not something the ordinances are going to *try* to do.
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Subject ordinance is singular prevent/are all wrong..
Left with Option B & E E is using the infinitive form but the preposition for looks up for an ing form.
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The “Advocacy” is singular hence the only two options are B & E since they use the singular “is preventing”.
Among these two, usage of subjunctive requires you to choose B over E.
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OFFICIAL EXPLANATION

When we first read the sentence, we're confused whether the organizers' advocacy or the fees on plastic containers is what's "prevent[ing] significant amounts of litter." That confusion means that the sentence as written, choice (A), does not work.
How do we make the sentence clear, then? Let's figure out what we want to make it say first. If the community organizers want to take responsibility, or credit, for the lower amount of plastic waste, then they want to claim that "their advocacy" prevented amounts of litter. So, we need to make "prevent" the verb of "their advocacy," and only (B) and (E) match that singular subject.
The main difference between (B) and (E) is tense: (E)'s "to mandate" would mean that these fees don't yet exist, but they do because the community organizers are taking credit for some of the early effects of these fees. Choice (B)'s "mandating" correctly indicates that these fees have already been put into effect.
The correct answer is Choice (B).
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DmitryFarber
The phrase "mandating fees on plastic containers" is a noun modifier, so a comma would not be appropriate. (Comma + -ing typically indicates an adverbial modifier.

The meaning here is that the advocacy is preventing litter. Which advocacy? The advocacy for ordinances. Which ordinances? The ordinances mandating fees on plastic containers.

A and C get the verb wrong ("advocacy . . . prevent"). It also doesn't make much sense to say "mandate that fees be on plastic containers."
D and E suggest that the ordinances exist in order to mandate fees. It makes more sense to simply say that the ordinances *do* mandate fees. It's not something the ordinances are going to *try* to do.


i don't understand why the ordinances are not" try to do xxx". i believe they created the ordinances in order to mandate fees, that's the nature for ordinanc, which is to make people TO DO something right? I am very confused.
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