Question

A huge amount of oil was spilt on the road, the effects of ________ are still being left.

1. A.
   it
2. B.
   that
3. C.
   which
4. D.
   whom

Answer 1

C
句意：很多油洒在了路上，其后果仍然可见。the effects前没有并列连词，a huge amount of前也没有从属连词，故推知本题考查非限制性定语从句，先行词为前面一句话，故用which引导，故答案为C项。