与股票比较，债券风险相对较小的原因，是（）。

A.债券利息固定

B.债券有固定的本金偿还期

C.债券价格波动小

D.债券品种多

A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should（）.

A.remain on course and hold speed

B.change course and put the stern to the wind

C.change course to put the wind on either beam and increase speed

D.remain on course but slack the speed