Butterflies in your stomach

If you have butterflies in your stomach, what does it mean? Read the conversation below. Can you guess the meaning?

Kelly: Your driving test is today! How are you feeling?

Lily: I have butterflies in my stomach! 

Kelly: Just relax! You’ll be OK!

Does it mean:

a) be scared

b) be unsure

c) be nervous

d) be energetic

The answer is below! ↓

 

Answer: c) be nervous