At first sight, it ________ look like a generous offer; actually, it is a trick.

1. A.
   may
2. B.
   must
3. C.
   shall
4. D.
   should

At first sight, it ________ look like a generous offer; actually, it is a trick.

 At first sight, it ________ look like a generous offer; actually, it is a trick.

      A. may                         B. must                        C. shall                         D. should

At first sight, it ________ look like a generous offer; actually, it is a trick.