A customer has a question about the repairs needed for their desktop computer. While asking their question to a technician, the technician receives a personal phone call on their cell phone. Which of the following should the technician do NEXT?（）
A. Ask the customer to wait and answer the phone call.
B. Talk on the phone while listening to the customer.
C. Hand the phone to a coworker to answer the call.
D. Silence the phone and then listen to the customer.
参考答案：D
