某托儿所因喂食婴儿米粉而引起数名婴幼儿食物中毒，其主要症状为恶心、呕吐，腹痛但无腹泻的症状，口干，四肢无力，体温不高，经对症治疗，病情好转。 可初步诊断为（）

A.沙门菌属食物中毒

B.副溶血性弧菌食物中毒

C.蜡样芽孢杆菌食物中毒

D.亚硝酸盐食物中毒

E.变形杆菌食物中毒

The inside light in an inflatable liferaft is turned on（）.

A.automatically as the liferaft inflates

B.with a switch near the boarding handle

C.at night because the light has a photosensitive switch

D.by screwing the bulb in after the raft is inflated