— I don’t remember having ever seen John since last week. Has he gone somewhere?

— Not really. He ______ his newly-bought apartment.

A．has decorated

B．decorated

C．has been decorating

D．was decorating

男，50岁，1个月前畏寒、腹痛腹泻，大便带脓血，10次左右／天，伴里急后重，诊断为细菌性痢疾，服用喹诺酮类、黄连素1周后好转，近1周来又腹痛腹泻，大便10次天。便常规示：RBC（+）／HP，PC（+）／HP，WBC（+++）／HP，巨噬细胞3～4个／HP。既往无腹泻史。应诊断为（）。

A.慢性菌痢迁延型

B.慢性菌痢隐匿型

C.慢性菌痢急性发作

D.急性菌痢普遍型

E.急性菌痢轻型