In the sentence “Women were being taken to lifeboats and men held back at gunpoint" (paragraph 4) the phrase “hold back” has the meaning of ______.

A．He is an expert in mental workings.
B．He is an actor.
C．He is a writer on the importance of friends and relatives.
D．He is a clinical psychologist and talkshow host.

A．they have busy lives
B．they live far away from their relatives and friends
C．they cannot escape media coverage of celebrities
D．they work with those celebrities