时下，唯有让市场上“看不见的手”牵手展览业，我国展览业才能走上持续健康发展之路。市场上“看不见的手”实质上就是

A．生产资料的社会主义公有制

B．社会主义制度的优越性

C．政府计划的调节作用

D．价值规律的调节作用

The shop assistants were fired as they were _________ of cheating customers．

A．accused

B．charged

C．blamed

D．caught