— Why is the librarian looking so hard at me?— You to read aloud in the reading room A. d

问题补充：

— Why is the librarian looking so hard at me?

— You to read aloud in the reading room

A. don’t suppose

B. haven’t supposed

C. are not supposed

D. were not supposed

答案：

A. don’t suppose

B. haven’t supposed

(答案→)C. are not supposed

D. were not supposed

解析：根据句子意思，应选用be supposed to应该做……、被要求做……，故排除选项A、B；分析上文情景，句中动词使用现在时形式，强调现在的状态，所以，再排除选项D。