问题
单项选择题
The book provides tips for Westerners who work in Japanese firms: get together outside the office, find a mentor for support and refrain for practicing Japanese with colleagues on the job.
A．of
B．to
C．off
D．from
答案
参考答案：D
解析：[分析] 固定搭配 refrain(与from连用)抑制，自制，避免；例：to refrain from smoking戒烟；