It is fashionable to drive a car, but to drive a car is not nearly as difficult as it is imagined on condition that you ________ the specialized rules.

A．give up

B．stick to

C．insist on

D．connect to

产品集中交易市场的开办企业、产品经营柜台出租企业、产品展销会的举办企业有哪些义务？