she said to her friends,"Please help()to these dishes" A.you B.yo_英语解答

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

人气：346 ℃　时间：2020-03-16 15:19:19

解答

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.