微分方程满足的特解为（　）．

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/2-3/image095.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/2-3/image096.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/2-3/image097.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/2-3/image098.png" alt="" align="middle">