When and where to go for the on-salary holiday ______ yet.
A. are not decided B. have not been decided
C. is not being decided D. has not been decided
When and where to go for the on-salary holiday ______ yet.
A. are not decided B. have not been decided
C. is not being decided D. has not been decided
D
不定式作主语,谓语动词用单数。