问题
单项选择题
There is a man at the reception desk who seems very angry and I think he means（）trouble.
A. making
B. to make
C. to have made
D. having made
答案
参考答案：B
解析：
固定用法
mean to do意为“打算做某事”；mean doing意为“意味着…”。根据句意，故选B。
