<ol>
<li>One mans meat is another mans ----.
(A) dairy
(B) flesh
(C) poison
(D) meeting
(E) prerogative</li>
</ol>
<p>At first, I took (B) but the correct answer turned out to be (C).
After checking, it’s an idiom.
I’m wondering if this kind of questions, requiring a certain knowledge of hackyened phrases, appears on the Test.</p>
<p>Another question, Is it correct to add this sentence “requiring a certain knowledge of hackyened phrases” as I did on the last sentence.</p>
<p>Anything is possible but I seriously doubt you will get a sentence completion question like that which is made up of purely a saying with idioms.</p>
<p>You are correct to add the phrase you added. What is incorrect is “this kind of questions.” You need to drop the s from questions to agree with the singular “this kind.”</p>