We woke in the morning early than we _____ because the clock in the room was one hour ahead![ ]

A. had expected

B. were expecting

C. would expect

D. would be expected

男孩，3岁，自幼人工喂养，食欲极差，有时腹泻。身高85cm，体重7500g。皮肤干燥、苍白，腹部皮下脂肪厚约0.3cm。脉搏缓慢，心音较低钝。假设此患儿清晨突然面色苍白、意识不清、体温不升、呼吸暂停，首先应考虑最可能的原因是（）

A.急性心力衰竭

B.低钙血症引起喉痉挛

C.低钾血症引起呼吸肌麻痹

D.自发性低血糖

E.脱水引起休克