Whether you believe it or not, it is           that causes your illness.

A．due to your overweight

B．because you are overweight

C．you are overweight

D．your being overweight

下列哪种阑尾炎宜采用非手术治疗

A．急性化脓性阑尾炎

B．急性坏疽性阑尾炎

C．阑尾穿孔

D．阑尾脓肿

E．阑尾周围脓肿