按《化妆品卫生规范》（1999年12月），新开发的烫发类化妆品在投放市场前，为评价其安全性，必须进行的理化检验包含（）

A.性激素、苯酚、氢醌

B.苯酚、氢醌、巯基乙酸

C.氢醌、巯基乙酸、pH

D.巯基乙酸、pH、铅

E.pH、铅、性激素

The hours when the children spend in their one-way relationship with television people, undoubtedly affect their relationships with real-life people.