He was so sad hearing the bad news that he couldn’t his tears.A. hold onB. hold upC. hold

问题补充：

He was so sad hearing the bad news that he couldn’t his tears.

A. hold on

B. hold up

C. hold back

D. hold out

答案：

A. hold on

B. hold up

(答案→)C. hold back

D. hold out

解析：动词短语。A别挂断，继续;坚持；B支持，支撑，延迟；抢劫；C阻止，抑制；隐瞒，保守(秘密等)；D维持，保持；坚持(要求)；句意：听到那个消息他是如此难过以至于他无法控制他的眼泪。