Answer :
Final answer:
In an informal setting, expressing incredulity towards a friend's idea is commonly done by saying "No way!"
Explanation:
In this scenario, if you were to greet a friend's idea with incredulity, you would most likely say:
- B. "No way!"
This phrase expresses disbelief or skepticism towards the idea presented by your friend in an informal setting.
Learn more about expressing incredulity towards a friend's idea here:
https://brainly.com/question/36883098
