I’m going to the supermarket this afternoon. Do you have anything____?

A．bought

B．to be bought

C．for buying

D．to buy

以下哪几项是门静脉高压的主要超声表现

A．门静脉系统的血管内径多不增宽

B．门静脉血流速度减慢

C．门静脉血流方向为向肝血流

D．胃左、胃底食管静脉迂曲扩张

E．脐静脉重开