Generally speaking, employers should not themselves in the private matters of their staff.
A. remind
B. inform
C. understand
D. involve
网友回答
A. remind
B. inform
C. understand
(答案→)D. involve
解析：句意，一般来说，老板不应该卷入他的员工的私人事件中。Remind 提醒 inform 通知 understand 明白 involve 是参与，牵涉，根据题意，故选D。