What did he do with his old car().

A.He maintained the old car.

B.He planned to replace the old car.

C.He discarded the old car.

D.He had his old car fixed.

有关肾上腺转移瘤的描述，不正确的是（）

A.是人体原发肿瘤转移的好发部位（器官）之一

B.肺癌和乳腺癌引起的肾上腺转移最常见

C.MR反相位成像对鉴别腺瘤与转移很有帮助

D.MR反相位成像鉴别腺瘤与转移非常困难

E.MR增强扫描有助于判断腺瘤与转移