Question

He doesn’t think the question of ______they are boys or girls is important

1. A.
   if
2. B.
   whether
3. C.
   which
4. D.
   that

Answer 1

B
考查名词性从句。whether … or…是……还是……。句意：他没有思考这个问题，他们是男孩重要还是女孩重要。