You’d better his name, address and telephone number in your notebook before you forget the

You’d better his name, address and telephone number in your notebook before you forget them.
A. pack up
B. care about
C. set up
D. set down

A. pack upB. care aboutC. set up(答案→)D. set down解析：短语辨析。A打包； B在乎；C建立，设立；D写下，记下；句意：在你忘记这些之前，你最好把他的姓名，地址，电话号码都记在你的笔记本上。根据句意说明D正确。

这个解释是对的