Question

Could you tell me how long __________ the football club?

A．you have joined

B．have you joined

C．you have been in

D．have you been in

Answer 1

C

该句是一个含有宾语从句的句子，从句必须用陈述语序，故排除B、D；join不能与表示一段时间的时间状语连用，故答案选C。