As always when she sang in the bathroom, she________the high notes in a special way.

A．span out

B．belted out

C．spread out

D．stretch out

患者发热，无力，食欲不振，腹痛，以左下腹明显，腹泻早期稀便，大便次数增多后转为粘液脓血便，并有里急后重。应诊断为（）。

A.急性胃肠炎

B.急性细菌性痢疾

C.肠伤寒

D.食物中毒

E.肠阿米巴痢疾