《食品卫生法》对人的效力原则是（）。

A.属人原则

B.属地原则

C.属事原则

D.属利益原则

E.以上都不是

The head of the company promised to deal with matters of this sort _____ he returned to his office.[ ]

A. until

B. while

C. by the time

D. the moment