She wanted the comfort of a large car and the low cost of a small one so she bought a size

问题补充：

She wanted the comfort of a large car and the low cost of a small one，so she bought a size in between the two.

A. for compromise

B. as a compromise

C. as compromise

D. for a compromise

答案：

A. for compromise

(答案→)B. as a compromise

C. as compromise

D. for a compromise

解析：此题考查介词。for“(表示目的)为了；因为；至于，对于，适合于”；as“作为”，as a compromise“作为折中”。句意：她想要大车的舒适，小车的价钱，因此作为折中买了一辆大小在两者之间的轿车。