On average, a successful lawyer has to talk to several _______ a

On average, a successful lawyer has to talk to several _______ a day.
A、customers
B、supporters
C、guests
D、clients
【正确答案】：D
【题目解析】：customers 顾客（多指买主）；supporters 支持者；guests 客人（来宾）；clients 委托方 客户；D符合题意。