No, It is A! I just did it on Apex!
<span> a verbal </span>suffix meaning<span> “to make,” “cause to be,” “render” ( simplify; beautify); “to become,” “be made” ( liquefy). The </span>suffix<span> was introduced into English in loan words from Old French ( deify), but is also used in the formation of new words, usually on a Latin root ( reify).</span>
They would look in the index for mentions of the subject.
The answer is D. persistence !
It is described in words by the writer. So, your answer is B.