After the big earthquake in Chile, there were about 300 aftershocks in the nearby area, over 200 were quite damaging.
A. which
B. of which
C. during which
D. whose
网友回答
A. which
(答案→)B. of which
C. during which
D. whose
解析：考查定语从句，句意：在智利大地震之后，在附近地区大约有300次余震，这些余震中200多次是具有毁坏性的。所属关系应用介词of，所以选B。