We prefer-----at the party rather than-----（初三英语选择题）

We prefer_____at the party rather than_____（初三英语选择题）
We prefer_____at the party rather than_____ A.to sing;dance B.to sing;dancingC.sing;to danceD.sing;dance prefer要跟动词ing,rather than要跟动词原形,那这个该怎么选?