Perhaps no one wants to make friends with him so I might write to him.→ If no one else ..........

A. If no one else want to make friends with him, I will write to him.

B. If no one else wanted to make friends with him, I would write to him.

C. If no one else doesn't want to make friends with him, I will write to him.

D. If no one else wants to make friends with him, I will write to him.