_Chasing pop stars is generally considered to be_______young people like while middle-aged people keep a cool head about this.

A．what

B．that

C．which

D．something what

下列关于类风湿性关节炎急性发作期治疗的论述哪项是错误的()

A．理疗

B．消炎痛

C．水杨酸制剂

D．糖皮质激素

E．免疫抑制剂