【单选题】The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the or...
A.
generic drugs cost half as much as buying name-brand drugs
B.
buying generic drugs costs half as much as name-brand drugs
C.
generic drugs cost half as much as name-brand drugs
D.
buying generic drugs cost half as much as buying name-brand drugs
E.
to buy generic drugs costs half as much as buying name-brand drugs