当肾癌侵犯下腔静脉形成瘤栓而无淋巴结或远处转移，分期应为（）
A.Ⅱ期
B.Ⅲa期
C.Ⅲc期
D.Ⅳa期
E.Ⅲb期
参考答案：B
- Oh, these presents are so nice.
- The CD is from Betty and the books are from________.[ ]
A. I and Helen
B. Helen and me
C. Helen's and mine
D. Helen and I
