She kept a little notebook, in which the telephone numbers and email addresses of her fr

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A. wrote
B. have written
C. was written
(答案→)D. were written
解析：句意：她有一个小的笔记本，在上面朋友的电话号码和邮箱地址被写在上面。In which是定语从句，主语是the telephone numbers and email addresses of her friends.和write是被动含义，排除AB，而且因为主语是复数，谓语用were，所以选D。