OFFICIAL EXPLANATION
An animal rights activist, who has become quite well-known, proposed that battery chicken coops be replaced by more humane facilities.A) animal rights activist, who has become quite well-known, proposed that battery chicken coops be replaced
The relative clause who has become quite well-known modifies the noun activist and should therefore appear immediately after it.B) animal rights activist, who has become quite well-known, proposed that battery chicken coops are replaced
This answer choice is grammatically incorrect. Propose is one of the nine verbs to which the Subjunctive rule applies (if it is followed by that). This means that the next verb after proposed that should be in base form. However, are replaced is not in base form.
What helps us identify this question as a Subjunctive question as well as identify the mistake is the following Stop Sign:
propose/recommend/require/request/insist/suggest/mandate/ask/demand that
Whenever you come across this Stop Sign, make sure that the following verb is in its base form.C) animal rights activist proposed that battery chicken coops, who has become quite well-known, be replaced
This answer choice is illogical. The relative clause who has become quite well-known is clearly intended to modify the noun activist. However, it follows the noun chicken coops.
What helps us identify this question as a Relative Clause question as well as identify the mistake is the following Stop Sign:
who, which, that, whose, whom
D) activist for animal rights, who has become quite well-known, proposed that battery chicken coops will be replaced
This answer choice is grammatically incorrect. Propose is one of the nine verbs to which the Subjunctive rule applies (if it is followed by that). This means that the next verb after proposed that should be in base form. However, will be replaced is not in base form.
What helps us identify this question as a Subjunctive question as well as identify the mistake is the following Stop Sign:
propose/recommend/require/request/insist/suggest/mandate/ask/demand that
Whenever you come across this Stop Sign, make sure that the following verb is in its base form.E) animal rights activist proposed, who has become quite well-known, that battery chicken coops be replaced[/quote]
This answer choice is grammatically incorrect as it incorrectly places a relative clause, which is a noun modifier, after a verb. The relative clause who has become quite well-known is intended to modify the noun activist. However, in this answer choice, it follows the verb proposed.
What helps us identify this question as a Relative Clause question as well as identify the mistake is the following Stop Sign:
who, which, that, whose, whom