Answer:
"O A top-rated bike helmet costs less than dinner for two."
Explanation:
Since Andrea makes the claim that they are inexpensive, she wants to use the evidence that supports her thinking. The first one and the last one have nothing to do with price. The third one talks about some being expensive, but the second one does talk about it being inexpensive.
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather