— Bill is ill. Do you know what's wrong with lum?            

—Poor boy. His illness is the_________of eating unhealthy food.     [ ]

A. result

B. cause

C. reason

D. end

食品经营者销售散装食品，不用在散装食品的容器、外包装上标明食品的名称、生产日期、保质期、生产经营者名称及联系方式等内容。