Working hard is not only a____of great success, but it is among the essential requirements.[ ]

A. sign

B.signal

C.guarantee

D.situation

与愤怒的患者进行沟通，护土应该

A．不对患者的愤怒行为做出正面回答

B．制止患者愤怒的发泄

C．对其愤怒行为给予批评

D．主动倾听、了解和分析患者愤怒的原因

E．以同样的愤怒回应