Suddenly the idea came to me       I might turn to Mr. Smith for help.

Suddenly the idea came to me       I might turn to Mr. Smith for help.

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

Suddenly the idea came to me ______ I might turn to Mr. Smith for help.

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

 Suddenly the idea came to me       I might turn to Mr. Smith  for help.

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

Suddenly the idea came to me       I might turn to Mr. Smith for help.