.— does he meet his friends?— a month.A. How often; Twice B. What time; Two C. When; Two

问题补充：

.— does he meet his friends?

— a month.

A. How often; Twice B. What time; Two C. When; Two

答案：

解析：句意：他多久和朋友见一次面？一月两次。How often用来提问做事情的频率；what time和when提问时间；故选A。