The repair work of Angkor Wat _____would last at least 10 years was completed within 8 years .

A which people supposed           B which people supposed it

C which people supposed that is       D people supposed that

男性，60岁，胰腺癌术后复发，上腹部疼痛3个月，加重1个月，经规范的"三阶梯"止痛治疗，疼痛缓解不明显，且副作用太大，难以坚持，现拟行神经丛毁损治疗止痛。

该患者腹腔神经丛毁损药物首选（）。

A.甲醛

B.盐酸

C.碘酊

D.氢氧化钠

E.无水乙醇