The best students in our class can't work out this question,

The best students in our class can't work out this question,so it____（may,can’t）……
The best students in our class can't work out this question,so it____（may,can’t）be very different.
英语学习辅导报第二期第三版Practice and Development.
最好注上原因
不要复制的答案
我要的不仅是讲解……关键还是答案阿童鞋们