—What a nice motorbike! How long have you it?—About half a year.Ahad B．bought C．taken

问题补充：

—What a nice motorbike! How long have you it?

—About half a year.

A．had B．bought C．taken

答案：

解析：因为how long 与延续性动词或状态连用，而在三个选项中，只有A为延续性动词，而BC为短暂性动词，故选A