( )是在发展事件树的过程中，将与初始事件、事故无关的安全功能和安全功能不协调、矛盾的情况省略、删除，达到简化分析的目的。

A．分析事件树

B．简化事件树

C．完善事件树

D．画出事件树

Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should（）.

A.start the exhaust blowers

B.start the intake blowers

C.not ventilate the cargo holds

D.ventilate the cargo holds