When they arrived at the school it was raining harder.A. more B. quite C. veryD even

问题补充：

When they arrived at the school it was raining harder.

A. more B. quite C. veryD even

答案：

解析：more 后不能比较级，故排除A；quite 除用于quite better外，不用于修饰比较，故排除B；very 不用修饰比较级，故排除C。