Which of the fowling sentences is a non-yes-no question?

Which of the fowling sentences is a non-yes-no question?
A、我怎么能不想家呢？
B、小朋友，你几岁了？
C、我就长不大吗？
D、他老人家干什么呢？
【正确答案】：ABD
【题目解析】：答案选ABD。A non-yes-no question is a question with a “呢”, “了”, “啊”, or “呐”(but never “吗”) placed at the sentence final position.参见教材P123。
掌握“Word order”知识点。