--Is Peter a new member in your art club?--No. He our club for two years.A. joins B. has

问题补充：

--Is Peter a new member in your art club?

--No. He our club for two years.

A. joins B. has joined C. has been in

答案：

解析：句意：彼得在你的艺术俱乐部是个新成员吗？——不，他已经加入我们俱乐部两年了。结合语境可知下文描述的是从过去持续到现在的动作，故用现在完成时态，join表示瞬间动作，故选C。