（）means navigational and meteorological warnings, meteorological forecasts and other urgent related messages broadcast to ships.

A.Navigational broadcast

B.weather forecast

C.Urgency message

D.Maritime Safety Information

[听力原文] ？？为什么有人不敢当众讲话？（）

A．怕丢面子 

B．不想讲真话 

C．怕失去朋友 

D．不希望比别人突出