【08山东卷】35.Lucy’s new job paid twice as much as she had made ______ in the restaurant.

【08山东卷】35.Lucy’s new job paid twice as much as she had made ______ in the restaurant.
35.Lucy’s new job paid twice as much as she had made ______ in the restaurant.
A.working B.work C.to work D.worked
为什么选A?
= =
什么叫状语。
什么主谓宾定状补我完全分不清楚。