甲状腺功能减退症常表现为（）

A.Ⅱa型或Ⅱb型高脂蛋白血症

B.Ⅱb型高脂蛋白血症

C.Ⅰ型高脂蛋白血症

D.Ⅱa型高脂蛋白血症

E.Ⅲ型高脂蛋白血症

A fire starting by spontaneous combustion can be expected in which condition?（）.

A.Paints, varnish, or other liquid flammables are stowed in a dry stores locker

B.Inert cargoes such as pig iron are loaded in a wet condition

C.Oily rags are stowed in a metal pail

D.Clean mattresses are stored in contact with an electric light bulb