个体工商户联户（农户）联保贷款的对象为信用等级评定为（）的个体工商户（农户）。

A.A级

B.A级（含）以上

C.AA级

D.AA级以上

The speed of a vessel adjusted to that of a pilot boat at which the pilot can safely embark is（）.

A.ground speed

B.boarding speed

C.relative speed

D.speed of the vessel