单项选择题

A.高位睾丸切除术
B.高位睾丸切除+化疗
C.高位睾丸切除+放疗
D.高位睾丸切除+腹膜后淋巴结清扫
E.高位睾丸切除+腹膜后淋巴结清扫+化疗