My grandma still treats me like a child,She can't imageine me__.Agrow up Bgrown up Cgrowing up

我奶奶还是把我当小孩看,她无法想象我已经长大了.
imagine后要接动名词,动名词前又可以加上动名词的逻辑主语one/ one's.
所以,选择C,me 是逻辑动名词的逻辑主语,改成my也行的.答案是B这就不太懂了，呵呵。常规下，imagine one/one's doing.我好象没见过这词后接宾语和宾补语的。