A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.图1:左肾;图2:右肾B.图1:右肾;图2:左肾C.图1:肝脏;图2:脾脏D.图1:右肾门;图2:左输尿管
[单选题]A.1个B.2个C.3个D.4个
[单选题]A.B.C.D.0