My grandfather us stories when I was young.
A. was used to tell
B. is used to telling
C. used to tell
D. used to telling
网友回答
A. was used to tell
B. is used to telling
(答案→)C. used to tell
D. used to telling
解析：考查短语。Be used to do sth 被用来做某事，be used to doing sth 习惯于做某事，used to do sth过去常常做某事。 我小的时候爷爷常常给我讲故事。