My grandfatherus stories when I was young.A. was used to tellB. used to tellingC. used to

My grandfather us stories when I was young.
A. was used to tell
B. used to telling
C. used to tell
D. use to tell

A. was used to tellB. used to telling(答案→)C. used to tellD. use to tell解析：句意：我小时候，我爷爷经常给我们讲故事。Used to do sth.过去常常做某事，故选C。

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