According to the passage, which of the following statements is INCORRECT？A．30% of college

According to the passage, which of the following statements is INCORRECT？

A．30% of college students suffered from serious depression last year.

B．Nearly 75% of students experienced mental health problems in school.

C．There are some law clauses to forbid discrimination on mental disabilities.

D．Students with mental health problems can have lower academic loads.

请帮忙给出正确答案和分析，谢谢！