单项选择题

Memo

To: Mark Wilson
From: Alden Stevenson
Subject: Working hour
①If you have outside sales staff, ②they should be at work between ③core hours that the businesses to whom they are selling are open--usually 8 to 5.
It is implied that

A. the working hours of the clients are 8 to 5.
B. the working hours of the company are 8 to 5.
C. the outside sales staff should be in the company from 8 to 5.