血瘀的皮肤表现是

A．皮损色黯，肿块，结节，瘀斑

B．糜烂渗出

C．皮损多形性

D．血痣

E．疣目

How should the lifeboat sea painter be rigged?（）

A.Spliced into the ring on the stem post

B.Secured to the inboard side of a forward thwart and led inboard of the falls

C.Secured by a toggle to the stem post and led outboard of the falls

D.Secured by a toggle around the outboard side of a forward thwart