For decades after World War II, the women who had worked for the US military as wartime codebreakers their vital efforts a secret. Which choice completes the text so that it conforms to the conventions of Standard English?

The correct answer is D. Choice D is the best answer. The convention being tested is the use of verb forms within a sentence. A main clause requires a finite (tensed) verb to perform the action of the subject (in this case, “the women”), and this choice supplies the finite past tense verb “kept” to indicate what the women did.

SAT Question 4320b4ad: Answer & Explanation

For decades after World War II, the women who had worked for the US military as wartime codebreakers ______ their vital efforts a secret.

Difficulty:Easy

Which choice completes the text so that it conforms to the conventions of Standard English?

to keep

having kept

keeping

kept

SAT Question 4320b4ad: Form Structure And Sense answer and explanation

Explanation

Why the other choices are wrong