（2011年四川内江，13题）李明同学到医院检查身体后，医生建议他多吃水果和蔬菜，请你判断，医生的建议主要让他补充的营养素是

A．蛋白质

B．糖类

C．维生素

D．油脂

-- Doctor! I can’t fall         at night.

---Don’t worry! You are too stressed. Just be relaxed and take some        pills, then you’ll be better.

A．sleepy; asleep

B．asleep; sleeping

C．sleep; sleep

D．asleep, sleepy