问题
选择题
-How about going to the park this afternoon?
-_________ ? It's a few months since I enjoyed myself in the park.
A. Why
B. What
C. What for
D. Why not
答案
答案：D
搜题请搜索小程序“爱下问搜题”
-How about going to the park this afternoon?
-_________ ? It's a few months since I enjoyed myself in the park.
A. Why
B. What
C. What for
D. Why not
答案：D
无解，则a的值是（）