关于嗜酸性粒细胞稀释液各成分作用的叙述，错误的是（）

A.碳酸钾：破坏红细胞和其他白细胞

B.甘油：防止液体及乙醇挥发

C.冰乙酸：破坏除嗜酸性粒细胞以外的其他细胞

D.EDTA：抗凝齐0

E.丙酮：保护嗜酸性粒细胞

In heavy seas you decide to heave to. The lifeboat should be（）.

A.brought to a position with the stern into the seas

B.allowed to take its own head

C.brought to lay in the trough

D.brought bow into the seas