题目内容：

-what happened to the lady -she was ___ robbed of her handbag a observe b to oberve c observed

优质解答

c observed
这是be observed + done句型,be observed=be seen,“有人看到.被怎么样了”.这里的she was observed robbed of her handbag 意思是“有人看到她被人抢走手提包了”