2021年宜春市中考录取分数线，将于7月中下旬公布！请考生家长注意收藏
阅读下面短文，从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。
When my grandmother, who had Alzheimer's disease, went to live in the nurses station 5 years ago, I tried many things to keep her occupied. But it was only her word search book that kept her __21__. Gradually, she began to think of it as her job and it kept her from __22__．
Last night, when I came to her and said hello, she just looked at me __23__. I introduced myself and told her I was her granddaughter. She seemed __24__ about who I was. Obviously, she tried to find this word in her __25__. So I helped her find it with fingers and __26__ it for her with a pencil.