- I see you go running every morning.

- Yes. To lose weight, I decide to exercise _______. Wish you good luck!

A．finally

B．regularly

C．secretly

D．quietly.

患者男，45岁，排便后痛，昨日突然加剧，肛口可扪及一肿块，直径1.5cm，紫色，触痛。应采取哪项治疗最佳（）

A.坐浴

B.封闭

C.口服药物

D.注射硬化剂

E.血栓外痔剥离术