— It’s the office! So you know eating is not allowed here.— Oh sorry.A. must B. will C.

问题补充：

— It’s the office! So you know eating is not allowed here.

— Oh, sorry.

A. must

B. will

C. may

D. need

答案：

(答案→)A. must

B. will

C. may

D. need

解析：考查情态动词的用法。句意为：这是办公室！因此你必须知道吃的不允许带到这里。must表示“绝不”的意思。