On the bank of the river, we found him _____on a bench, with his eyes _____on a kite in the sky.

A．seated; fixing

B．sitting; fixing

C．seated; being fixed

D．sitting; fixed

上尿路结石最常见的血尿类型为

A．肉眼血尿

B．镜下血尿

C．初始血尿

D．终末血尿

E．全程血尿