Many English adjectives, when included in questions, indicate a bias although their opposites do not; for example, questions beginning with "how close," a construction implying that whatever is under discussion is nearby, but those beginning with "how far" do not necessarily carry the implication of long distance.

A. although their opposites do not; for example, questions beginning with "how close," a construction implying that whatever is under discussion is nearby, but those beginning with "how far" do not necessarily carry the implication of long distance

B. unlike their opposites; for example, by beginning a question with "how close," speakers imply that whatever is under discussion is nearby, but they do not necessarily imply a long distance in beginning them with "how far."

C. while their opposites do not; for instance, questions beginning with "how close" imply that whatever is being discussed is nearby, but those beginning with "how far" do not necessarily imply a long distance.

D. that their opposites lack; in the case of speakers who begin questions with "how close," for instance, it is implied that whatever is under discussion is nearby, but for those who begin questions with "how far" there is no corresponding implication of long distance.

E. that their opposites do not; for instance, when speakers begin questions with "how close," implying that whatever is being discussed is nearby, but when they begin questions with "how far" a long distance is not necessarily implied.

OA C

Source: Manhattan Prep