If my lawyer ______ here last Saturday, he ______ me from going.

1. A.
   had been; would have prevented
2. B.
   had been; would prevent
3. C.
   were; would prevent
4. D.
   were; would have prevented

If my lawyer ______ here last Saturday, he ______ me from going.

A. had been; would have prevented 　 B. had been; would prevent

C. were; would prevent 　 　　　　 D. were; would have prevented

. If my lawyer _________ here last Saturday, he _______ me from going.

A. had been; would have prevented

B. had been; would prevent

C. were; would prevent

D. were; would have prevented

If my lawyer ______ here last Saturday, he ______ me from going.

　 A. had been; would have prevented 　 B. had been; would prevent

　 C. were; would prevent 　           D. were; would have prevented

If my lawyer ______ here last Saturday, he ______ me from going.

　 A. had been; would have prevented 　 B. had been; would prevent

　 C. were; would prevent 　         D. were; would have prevented