听力原文：W: This is the third time you have been late this week, Robert. You'll have to do better than that, or I might find it necessary to let you go.M: It won't happen again, I assure you.W: This is the last time I believe you.What is the most probable relationship of the two people?A.Doctor and patient.B.Boss and employeE.C.Receptionist and tourist.D.Teacher and student.
A.M:
B.
W:
C.
What
D.Doctor
E.
B.Boss
F.
C.Receptionist
G.
D.Teacher
H.