胰腺钩突前面,CT显示两个血管断面,应是( )
·(右)门静脉、(左)脾静脉
·(右)肠系膜上静脉、(左)脾静脉
·(右)肠系膜上动脉、(左)肠系膜上静脉
·(右)腹腔动脉、(左)门静脉
·（右）肠系膜上静脉、（左）肠系膜上动脉