While You Are on the Phone with a Patient,Mr

While you are on the phone with a patient,Mr.Jones arrives for his appointment and takes a seat in the reception area.Which of the following is the recommended action?

A) Immediately conclude the phone call and greet Mr.Jones.
B) Acknowledge Mr.Jones with a smile and complete the phone call as soon as possible.Once you've hung up,greet Mr.Jones.
C) Because the patient on the phone called before Mr.Jones arrived,continue the phone conversation,and greet Mr.Jones when it is his turn.
D) Mr.Jones will approach you if he needs your assistance.No acknowledgement is necessary.