– Do you know this time yesterday? Sorry I don’t know. A. what she is doing B. what w

问题补充：

– Do you know this time yesterday?

-- Sorry, I don’t know.

A. what she is doing B. what was she doing C. what she was doing

答案：

解析：此题主要考查宾语从句，宾语从句要求用陈述语序，从yesterday可知用过去时，B. what was she doing是疑问句序，所以选C.