In working environment, “Staff room” refers to:
选项：

A:a room in which the members of a board hold meetings regularly;
B:a room that a company provides for the use of the people who work for it to discuss work, eat, drink and socialize;
C:a place in public and company buildings where a receptionist presides;
D:A room created in a employment workplace for an employee to deliver a form of employee training where it is required