He has a weak heart. As a result, he cannot practi...

Câu hỏi: He has a weak heart. As a result, he cannot practice scuba diving.

A. If he didn‘t have a strong heart, he would practice scuba diving.

B. Provided he had a strong heart, he could practice scuba diving.

C. But for practicing scuba diving, he could not have a weak heart.

D. He would not have a weak heart if he practices scuba diving.