You know it's love when all you want is that person to be happy, ________ you're not part of their happiness.

A．even if

B．as if

C．if only

D．if ever

治疗师应该注意观察来访者的哪些非言语行为（）。

A.目光

B.面部表情

C.身体移动和姿势

D.声音特征

E.以上选项都是