Woman: I am upset. You told my boss I had a part-time job
Man: I am sorry. I couldn’t help it.
Question: What does the man mean

A．He couldn’t help the woman at all.
B．He couldn’t hold back the secret.
C．He couldn’t possibly tell the boss.
D．He couldn’t decide who told the boss.

关于履带式起重机说法正确的是（）。

A.是一种360°全回转的起重机

B.操作灵活，行走方便，但不能负载行驶

C.稳定性较差

D.行走时对路面破坏较大，行走速度慢

E.城市中和长距离转移时，需用拖车进行运输