Answer:
c. unaware they have prejudices
Explanation:
everyone has them
We have to do our homework before dinner, then we're free to watch TV, or go outside.
The simple predicate of the sentence "Most nurses work in hospitals" is 'work'
C. The author uses a simile to compare the feeling of nervousness to melting because the sentence uses the word "like," which is an underlying hint to similes. Without it, it would be a metaphor.