问题详情：
---A pianist will perform at Mingzhu Theater on Friday evening. Is it Langlang?
---Yes, it ________ him. He ________ for a week.
A. must be, has arrived here B. maybe, has been here
C. must be, has been here D. maybe, has arrived here
【回答】
C
知识点：相似 相近词比较
题型：选择题
