根据我国《价格法》的规定，应当建立听证会制度，以便在制定价格时征求消费者、经营者和有关方面意见的情形包括( )价格。

A．关系群众切身利益的公用事业

B．关系群众切身利益的基本农产品

C．自然垄断经营的商品

D．重要的工业原材料

E．公益性服务

Passage One

Why is Thomas Jefferson mentioned in this passage a. As an example of interracial intimacy. b. Because he was a slave owner and was ply against interracial marriages. c. Because he was one of the early advocates of interracial marriages. d. Because he married a black woman.