单选题 As she the newspaper, Granny ______ asleep.
A. read; was falling B. was reading; fell
C. was reading; was falling D. read; fell

【正确答案】 B
【答案解析】[解析] 考查时态。由句意可知,本题强调的是主句动作是在从句动作的过程中发生的,所以从句用过去进行时态而主句用一般过去时态。