Stress out

Do you know the English expression “to stress out“? Read the conversation below. Can you guess the meaning?

Bella: What’s wrong with Julie?

Denise: Oh she’s stressing out because she has her driving test next week. I’m sure she’ll pass though.

Does it mean:

a) to worry

b) to be calm

c) to have no stress

d) to be angry

The answer is below!↓

 

Answer: a) to worry