--The number of the students in our school very big.--About 9 students.A. are hundredB. i

问题补充：

--The number of the students in our school very big.

--About 9 students.

A. are, hundred

B. is, hundreds

C. are, hundreds

D. is, hundred

答案：

A. are, hundred

B. is, hundreds

C. are, hundreds

(答案→)D. is, hundred

解析：the number of+名词复数表示…的数量，做主语时谓语动词要用单数形式。Hundred，thousand在表示确切数量时要用单数。