Even if I had taken part in the 400-meter relay race in the sports-meet, our class___________ the race. I’m ________ weight this year

1. A.
   might not have won; gaining
2. B.
   would not have beaten; putting on
3. C.
   can not have defended our title; losing
4. D.
   must not have achieved; acquiring

 Even if I had taken part in the 400-meter relay race in the sports-meet, our class___________ the race. I’m ________ weight this year.

    A. might not have won; gaining         B. would not have beaten; putting on

  C. can not have defended our title; losing   D. must not have achieved; acquiring

 Even if I had taken part in the 400-meter relay race in the sports-meet, our class___________ the race. I’m ________ weight this year.

    A. might not have won; gaining         B. would not have beaten; putting on

  C. can not have defended our title; losing   D. must not have achieved; acquiring