期货公司申请金融期货经纪业务资格，申请日前（）的风险监管指标须持续符合规定的标准。

A．1个月

B．12个月

C．6个月

D．2个月

You are underway and pass by a lighthouse. Its light，which was white since you first sighted it，changes to red. This means（）.

A.the light is characterized as alternately flashing

B.the lighthouse has lost power and has switched to emergency lighting

C.it is the identifying light characteristic of the lighthouse

D.you have entered an area of shoal water or other hazard