The old man said the accident _______ careless driving, so a lot of money________ be paid by the driver.

A．was due to; was due to

B．due to; was due to

C．is due to; was due to

D．is due to; was dued to

活期存款账户为卡折合一户，清户时需缴回（）.

A.存单

B.存折

C.绿卡

D.以上都是