手术处理绞窄性疝的要点包括（）。

A.警惕逆行嵌顿

B.肠管活力要确定

C.肠切除后仅作疝囊高位结扎

D.麻醉后疝内容物已经还纳者可不必再做探查

E.扪清疝囊与腹壁下动脉的关系

The president has told his friends that he is sick but will not admit it _____.

A．in private

B．in secret

C．in public

D．in detail