单选题 《复合题被拆开情况》Passenger：Good afternoon Miss. Are there plane tickets to San Francisco on the day after tomorrow?Conductor：Good afternoon Sir. I’ll have a look at the time-table for you.【D1】_________Passenger：Are there tickets for Saturday then?Conductor：Yes, there are. How do you want to go, first class or coach?Passenger：【D2】_________What’s the fare?Conductor：It is 260 dollars.Passenger：【D3】_________Conductor：The flight will get you there at six Sunday morning.Passenger：【D4】_________What’s the flight number?Conductor：The flight number is 301 at Gate Two.A. I’ll need a coach open return.B. OK, I’ll take three.C. What time will the flight put me there?D. I’m sorry but there aren’t any direct flights available. 《问题》：【D4】