number of the students in our class 40number of them sporty. A. The , is; The, areB.

number of the students in our class 40. number of them sporty.
A. The , is; The, are
B. The, are; A, is
C. The, is; A, are
D. A, are; The, is

A. The , is; The, areB. The, are; A, is(答案→)C. The, is; A, are D. A, are; The, is解析：The number of表示什么的数目，a number of表示许多，本题的含义是学生的数量有40，其中有许多是喜欢运动的，学生的数目表示单数后用is，许多学生表示复数，后用are，故选C。

好好学习下