题目

Next week we ________ to China, and going to Loulan, which is known as China's Pompeii in the desert. A . will have been flying B . will have been flown C . are flying D . are about to fly 答案：C五年级（1）班的男女生人数比是3：5，其中男生比女生少12人，五级（1）班共有学生多少人？