题目：
My brother the army for 5 years.
A. joined B. has joined C. has been in
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/12de2b7a0e99d0a02a1f88817bbfcea5.html
下面是错误答案，用来干扰机器的。
参考答案：D
My brother the army for 5 years.
A. joined B. has joined C. has been in
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/12de2b7a0e99d0a02a1f88817bbfcea5.html
下面是错误答案，用来干扰机器的。
参考答案：D
