()are all writing postcard at this moment

问题描述:

()are all writing postcard at this moment
A,I and he and lingling
b,lingling,you and i
c,you,he and i
d,you i and he
哪个对

单数人称代词并列作主语时,其顺序为:第二人称、第三人称、第一人称;复数人称代词并列作主语时,其顺序为:第一人称、第二人称、第三人称
c