______ amazed me most was that the young boy who had lost both arms in an accident could handle a pen with his feet．

A．That          B．It       C．Which          D．What

. ______ me most was that the young boy who had lost both arms in an accident could handle a pen with his feet.

    A.That amazed     B. It amazed       C.Which amazed    D. What amazed

______ me most was that the young boy who had lost both arms in an accident could handle a pen with his feet.

1. A.
   That amazed
2. B.
   It amazed
3. C.
   Which amazed
4. D.
   What amazed