The girl was ___ a shop assistant; she is now a manager in a lar

The girl was ___ a shop assistant; she is now a manager in a large department store.
A、preliminarily
B、presumably
C、formally
D、formerly
【正确答案】：D
【题目解析】：formerly以前，原来。句意：这个女孩以前是商店售货员;她现在是一家大百货公司的经理。