Question:

Did you know about our money-back guarantee?

Correct Answer:

B. No, I'm afraid I didn't.

• Directly responds to the yes/no question about awareness
• Acknowledges lack of knowledge about the guarantee
• Uses appropriate polite phrasing ("I'm afraid")

Incorrect Answers:

A. I'll come back tomorrow.

• Talks about returning but doesn't address the guarantee
• Changes the subject completely
• Doesn't answer the knowledge question

C. Yes, I'll put money in the bank.

• Misunderstands "money-back" as depositing money
• Provides irrelevant financial action
• Doesn't properly acknowledge the guarantee policy