Last weekend, Tom and Linda went shopping outside and went on spending until their money was_________.

A．at the end

B．at an end

C．by the end

D．in the end

甲状腺功能亢进症病人具有特征性的表现是

A．食欲亢进体重锐减

B．低热多汗皮肤温暖

C．注意力不集中

D．焦虑、失眠、多梦

E．心悸、气促