and的用法的主谓一致

and的用法的主谓一致
Bread and butter____the everyday food in the west.(is/are)
这个句子选哪个答案

is
由and连接的并列结构作主语,可根据主语的意义决定谓语动词的单、复数形式.
例如：
Good and bad taste are inculcated by example.
Fish and chips are getting very expensive.
A truck and a car were in the ditch.
当and连接的并列名词词组带有each,every,或者many a 等限定词时,谓语动词通常用单数.
例如：
Each man and each woman there is asked to help.
Every flower and every bush is to be cut down.
Every change of season,every change of weather,indeed every hour of the day,produces some change in the magical hues and shapes of these mountains.
Many a boy was disappointed after seeing the film.