水痘最常见的并发症是（）

A.水痘肺炎

B.水痘脑炎

C.瑞氏综合征

D.继发性皮肤细菌感染

E.横断性脊髓炎

Master must ascertain that deck loads are stowed in such a manner as（）.

A.not to affect the vessel's stability and trim

B.to affect the vessel's stability

C.to affect the vessel's trim

D.to affect the vessel's atability or trim