As the busiest woman in Norton she madeher duty to look after all the other people’s affai

问题补充：

As the busiest woman in Norton,she madeher duty to look after all the other people’s affairs in that town.

A. this

B. that

C. one

D. it

答案：

A. this

B. that

C. one

(答案→)D. it

解析：本题考查it作形式宾语，代替to look after all the other people’s affairs in that town，其他选项均不可以充当形式宾语。