Upon completing his examination over the patient, the doctor offered his judgment of her conditions.

A．of

B．off

C．about

D．around

日本血吸虫寄生于人体中的

A．门静脉系统
B．肝静脉系统
C．肝动脉系统
D．肝淋巴系统
E．肠系膜动脉