"在上的最大值和最小值分别为（ ）"

A、<p><span style=\""font-family: 微软雅黑, 'Microsoft YaHei';\"">1，-1<\/span><br><\/p>

B、<p><span style=\""font-family: 微软雅黑, 'Microsoft YaHei';\"">0,1<\/span><br><\/p>

C、<p><span style=\""font-family: 微软雅黑, 'Microsoft YaHei';\"">0，-1<\/span><br><\/p>

D、<p><span style=\""font-family: 微软雅黑, 'Microsoft YaHei';\"">0，-2<\/span><br><\/p>