Alexander's Physician Has Patients Double and Triple Booked

Alexander's physician has patients double and triple booked. He spends less then 5 minutes examining and talking with Alexander during his latest doctor's appointment. Alexander's experience illustrates which of the common barrier to effective provider-patient communication?

A) the health care provider's use of technical terminology
B) patient evasiveness about real health concerns
C) time constraints on the length of the provider-patient interaction
D) consulting a health care provider who is not the same-sex as the patient