A、<span style="font-family: 楷体_GB2312; font-size: 19px;">1-1.5岁</span>
B、<span style="font-family: 楷体_GB2312; font-size: 19px;">1-2岁</span>
C、<span style="font-family: 楷体_GB2312; font-size: 19px;">3岁</span>
D、<p style="white-space: normal;"><span style="font-family: 楷体_GB2312; font-size: 19px;">2-3岁</span>