-Do you know Jim quarreled with his brother?    

-I don't know,______.     [ ]

A. nor don't I care                              

B. nor do I care    

C. I don't care neither                          

D. neither don't I care

除研究堆和动力堆燃料循环范畴的材料以外，永久密封在容器中或者有严密包层并呈固态的放射性材料是指（）。

A.放射源

B.放射性同位素

C.放射装置

D.伴生放射性矿