It was surprising ______ most people paid more than 100 dollars just to see that famous star.

1. A.
   which
2. B.
   that
3. C.
   whether
4. D.
   where

It was surprising ______ most people paid more than 100 dollars just to see that famous star.

It was surprising ______ most people paid more than 100 dollars just to see that famous star.