---I want to make a kite for my son．
--- You can easily buy one in the market．
A. Why not ?
B. Good idea!
C. Why bother ?
D. No way!
网友回答
A. Why not ?
B. Good idea!
(答案→)C. Why bother ?
D. No way!
解析：考查交际用语，Why not ? 为什么不，Good idea! 好主意，Why bother ? 为什么这么麻烦呢，No way!没门。句意：我想为我的儿子做一支风筝。为什么这么麻烦呢，你很容易在市场上买一个的。所以选C。