问题补充：
- How long has your brother?
- For two days.
A. bought the toy
B. borrowed the book
C. come to Shanghai
D. had the MP5
答案：
A. bought the toy
B. borrowed the book
C. come to Shanghai
(答案→)D. had the MP5
解析：因为how long 与延续性动词连用，在四个选项中，只有D是延续性动词，故选D
