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

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

A．it       B．that   C．which       D．whom

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

A. it　　　　　　　　 B. that　　　　　　　　 C. which　　　 D. whom