________ is mentioned above, it won't be long before you regret what you have done．

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

          is mentioned above, it won't be long before you regret what you have done.

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

          is mentioned above, it won't be long before you regret what you have done．

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