---- ______ he dropped out of school?

----His family had run into financial difficulties.

A. Why was it that   B. Why was that

C. Why was that it   C. Why was it

患者，男性，56岁，胃痛10年，现胃痛隐隐，喜温喜按，畏寒肢冷，泛吐清水，腹胀便溏，舌淡胖，边有齿痕，苔白，脉迟缓，治疗方剂是（）.

A.黄芪建中汤

B.活络效灵丹合丹参饮

C.化肝煎合芍药甘草汤

D.一贯煎

E.柴胡疏肝汤合五磨饮子