A: Did you hear what the Mayor said?
B: No, I didn’t. What did he say?
A: He said they need to raise the price of gasoline again.
B: Again?! It’s the third time in two months, 2.
A: Oh, I’m not really sure. It’s confusing.
  a. is it?
  b. isn't it?
  c. does it?
  d. doesn't it?
Virtually English Online Program - Level One 2012, Books & Books