A．Working as a seller.
B．Doing some cleaning and packaging job.
C．Selling fruit and vegetables.
D．Placing the goods to the shelf.

A.Working
B.
B．Doing
C.
C．Selling
D.
D．Placing

【参考答案】

B
解析：女士说自己在超市清洗包装水果和蔬菜，在忙的时候会到收银台工作。因此B为正确。