问题补充：
While she the newspaper, Granny her.
A. read; was telephoning
B. is reading; telephoned
C. was reading; telephoned
D. read; telephone
答案：
A. read; was telephoning
B. is reading; telephoned
(答案→)C. was reading; telephoned
D. read; telephone
解析：句意：当她正在读报纸时，格兰尼给她打电话了。While引导的时间状语强调主从动作的同时发生，从句中一般用进行时态。结合语境可知时间状语从句中描述的是过去某时正在进行的动作，故用过去进行时态。主句描述的是过去某时发生的动作，故用一般过去时态，选C。
