HE IS TOO OLD. THAT'S WHY HE DOESN'T ENTER THE COMPETITION. A. IF H...

3. He is too old. That's why he doesn't enter the competition.

A. If he isn't too old, he will enter the competition.

B. He wouldn't enter the competition If he weren't too old.

C. He will be able to enter the competition If he is young.

D. If he were younger, he would enter the competition.