基金的运作活动从管理人的角度看，可以分为（）。

A．基金的市场营销

B．基金的投资管理

C．基金的后台管理

D．基金的托管

（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.

A.which is assisted

B.that assist you

C.when you assisted

D.when being assisting