Though my aunt pursued a policy, ______ , in those days, enlightened, ______ she never allowed her domestic staff to work more than eight hours a day, she was extremely difficult to please.

A．that, for that

B．which, in that

C．which, so that

D．that, in that

“征免”栏应填写( )。

A．保证金

B．折半征税

C．全额退税

D．照章征税