F: When are you going to take your vacation? ,M: I've got a 10-day vacation starting from July twenty-fifth.
(A) F: Wow! A ten-day vacation! So cool! (B) F: You only got five days off? That's too short! (C) F: I didn’t hear you. Please could you tell me again? (D) F: You are so lucky to have a 15-day vacation!
A