I didn’t want to talk about that the phone. A. inB. onC. atD. by

I didn’t want to talk about that the phone.
A. in
B. on
C. at
D. by

A. in(答案→)B. onC. atD. by解析：介词辨析。In在里面；on在上面；at在一点；by通过某种方式。句意：我不想在电话上说那件事。On可以表示通过某种媒介，故选B。

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