TheGuyDangerous wrote:
I'm stuck between A & C.
Logically, in A, 'No less' would mean equal to or greater than.
and in C, it says a technical breakthrough or a scientific breakthrough is needed. (logically implying only equal to.)
Wouldn't that change the meaning?
I agree,
TheGuyDangerous. However, you have to keep in mind that all you can take as gospel in a Sentence Correction question is the non-underlined part. In this sentence, we have
Even their most ardent champions concede... before solar cells can meet the goal of providing one percent of the nation’s energy needs.You have to ask yourself,
what is being conceded, exactly? Compare the two answer choices in question:
(A) that
no less than a technical or scientific breakthrough is necessary
(C) that a technical or scientific breakthrough is necessary
The phrasing is identical, except for the highlighted part in (A), which you have already noted. Now you have to consider whether it is
absolutely necessary for
no less than to be included to convey the vital meaning that it would take a breakthrough to meet the goal... You should be able to see that although the extra phrase adds emphasis, similar to what you might see in a stylized headline, it does
not add anything necessary to understand the point that its stripped-down counterpart does not. I would expect to see a generic, none-too-helpful "wordy" given as an explanation in the
OG, but what it really comes down to is expression of vital information. Choice (C) is simply better to that end.
Please let me know if you have further questions. Good luck with your studies.
- Andrew
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