Does Sandra like eggs?——yes ,she has _____ every day

问题描述:

Does Sandra like eggs?——yes ,she has _____ every day
A、one B、theyC、a D、ones

选A.
a是不定冠词,后面要跟可数名词单数.
they作主语,不作宾语.
ones意思是其中一个的意思.