According to the Thinking Critically Section About Bias in Psychological

According to the Thinking Critically section about bias in psychological diagnosis, what conclusions were deemed most reasonable?

A) There is no bias in diagnosis toward African Americans.
B) African Americans are diagnosed with disorders less frequently than Caucasian Americans.
C) Cognitive biases may lead to more African Americans than Caucasian Americans being diagnosed with severe mental disorders.
D) African Americans should not be diagnosed by Caucasian Americans.