Among Asimov's most famous works of science fiction, one ______he won an award, was the Foundation Trilogy.

Among Asimov's most famous works of science fiction, one ______he won an award, was the Foundation Trilogy.

A. of whom           B. of which           C. for whom            D. for which

Among Asimov’s most famous works of science fiction, one ______he won an award, was the Foundation Trilogy.

Among Asimov’s most famous works of science fiction, one ______he won an award, was the Foundation Trilogy.

1. A.
   of whom
2. B.
   of which
3. C.
   for whom
4. D.
   for which