she said to her friends,"Please help()to these dishes" A.you B.yourself C.yourselves D.them

问题描述:

she said to her friends,"Please help()to these dishes" A.you B.yourself C.yourselves D.them
为什么选C 并翻译这句话

C
help oneself to ...固定用法‘ 随便吃……’
因为friends 是复数,故只有C 对.
翻译:她对她朋友说:请随便吃这些菜.