Jack bought a new mobil phone the other day.
问题描述：
Jack bought a new mobil phone the other day.
（）?That's his third one in just one month.
A.Had he
B.Did he
C.Does he
D.Has he
选A为什么不行?
答
过去式的一般疑问是did he （buy a new mobile phone the other day）?此处省略后面,表疑问和感叹.
had的话就变成过去完成式了.和上句提示不符.