But the President changed his mind after Robert, the U.S. Trade Representative, and Steven, the Treasury Secretary, returned from talks in Shanghai without securing the concessions that Trump had demanding.

But the President changed his mind after Robert, the U.S. Trade Representative, and Steven, the Treasury Secretary, returned from talks in Shanghai without securing the concessions that Trump had demanding.
A.但是，总统在美国贸易代表罗伯特和财务部长斯蒂芬在上海的谈判没有达成特朗普曾提出的让步条件而归来后改变了主意。
B.但是特朗普在美国贸易代表罗伯特和财务部长斯蒂芬从上海谈判归来后却改变了主意；这次会谈没有达成特朗普曾提出的让步条件。
正确答案：但是特朗普在美国贸易代表罗伯特和财务部长斯蒂芬从上海谈判归来后却改变了主意；这次会谈没有达成特朗普曾提出的让步条件。