Question

Prices of food inthat area ________ sharply since word came that the war would break out soon.

1. A.
   were cutdown
2. B.
   wererising
3. C.
   have beenbrought down
4. D.
   have beengoing up

Answer 1

D
首先有since显然是应用现在完成时，排除AB，根据后半句，战争将要爆发，物价应该上涨而不是下跌，故排除C，只有D符合。