A: Next, Please.
B: 1) c) One ticket, please?
A: Single or return?
B: 2)e) Return to Oxford Circus. How mush is it?
A: 3) d) That's 3.00 pounds
B: Here you are. 4) a) Which line do I take, please?
А: Take the Circle line, then change at Baker Sreet and take the Bakerloo line
Куда дальше вставлять? По смыслу:"b) Thanks a lot" -последнее