Require that <Subject> be < Verb >. Why not C ? "Require" expects subjunctive ..right ?
alimad
According to a recent study, hand sanitizers require a 60 percent minimum alcohol concentration for the killing of most harmful bacteria and viruses.
(A) require a 60 percent minimum alcohol concentration for the killing of
(B) require that there be a 60 percent minimum alcohol concentration to kill
(C) require that a 60 percent minimum alcohol concentration be present to kill
(D) require a 60 percent minimum alcohol concentration to kill
(E) require that there be a 60 percent minimum alcohol concentration for the killing of
Manhattan Prep Official Explanation
The phrase "
require a 60 percent minimum alcohol concentration for the killing of" is wordy and unidiomatic. The proper idiom takes the more concise form "
require X to Y."
(A) This choice is incorrect as it repeats the original sentence.
(B) This choice incorrectly uses the unidiomatic and wordy form "
require that there be X to Y." The proper idiom is "
require X to Y."
(C) This choice incorrectly uses the unidiomatic and wordy form "
require that X be Z to Y." The proper idiom is "
require X to Y."
(D) CORRECT. The choice uses the proper idiom "
require X to Y" where X is the noun phrase "
a 60 percent minimum alcohol concentration" and Y is the verb infinitive "kill."
(E) This choice incorrectly uses the unidiomatic and wordy form "
require that there be X for Y." The proper idiom is "
require X to Y."