— Did the book give the information you needed?

— Yes. But _____ it, I had to read the entire book.

A. to find

B. find

C. to finding

D. finding

患者突发上腹剧痛，腹肌紧张，压痛明显，肝浊音界消失，最可能的是（）

A.急性阑尾炎

B.急性胆囊炎

C.绞窄性肠梗阻

D.急性出血坏死性胰腺炎

E.胃肠穿孔