This is a problem that takes ()over the others.

This is a problem that takes ()over the others.
A、president
B、precedence
C、preference
D、presence
【正确答案】:B
【题目解析】:president总统;precedence优先;preference偏爱,倾向;presence出席,参加。根据句意:这个问题比其他问题更重要。可知应选B