( ) Yesterday I saw her going _____ upstairs when I passed the building.

问题描述:

( ) Yesterday I saw her going _____ upstairs when I passed the building.
A.quiet B.quietly C.quite D.quick

选B (这里只能用副词,来修饰GOING)
昨天当我路过这幢楼时,我看到她轻轻地走上楼.
轻轻地,副词.