Today's English learners have a wide choice of dictionaries to choose．
A. from which
B. in which
C. for which
D. of which
网友回答
A. from which
B. in which
C. for which
D. of which
解析：考查不定式用法。本题使用不定式修饰名词dictionaries,根据句意指有很多字典可以从中选择。Choose from…从…中选择。故A正确。