The author compared the supermarket manager to ______.
A) a military leader. C) traffic supervisor
B) a school inspector D) an orchestra conductor

A．there is less trading business
B．there used to be more social activities in the old days
C．supermarket managers has more problems
D．there is less personal contact between manager and customer

A．He doesn't sell tea or washing power any more.
B．He must try hard to remember the names of the regular customers.
C．He has to give advice and make decisions when problems arise.
D．He has to take care of a large staff as well as business.