.---What do parents in China want their children to do?

--- Most parents expect to see their children_____ hard all day.

A．to study

B．studied

C．study

D．for study

"善诊者，察色按脉，先别阴阳。"出自（）

A.《素问·咳论》

B.《素问·痹论》

C.《素问·阴阳应象大论》

D.《素问·生气通天论》

E.《素问·至真要大论》