Critical Reading > Sentence Completions
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.
Since the explanations offered are ------- to the exposition, it would be unfair to treat them as ------- parts of the studies under consideration.
(A) tangential . . subsidiary
(B) irrelevant . . superfluous
(C) referable . . correspondent
(D) incidental . . essential
(E) crucial . . immutable