22.8i have had enough,and i can have--a.no longerb.no morec.

答案应该是B
首先排除CD,因为如果是用not作为否定词的话,则can与not连用为can't
而,no longer,no more的区别是,no longer表示时间上的不再,no more表示数量程度上的不再,所以应当选则B