Question

As we drew closer, I could see a whale      by a pack of about six other killers.

1. A.
   attacked
2. B.
   to be attacked
3. C.
   having been attacked
4. D.
   being attacked

Answer 1

D
考查非谓语动词，see sb do表示看到某人做某事的整个过程  see sb doing看到某人正在做某事，此处whale和attack之间是被动关系，所以选择D,意为看到鲸正在被袭击。