题目

如图，在Rt△ABC中，∠C＝90°，∠CAB的平分线交BC于点D，DE恰好是AB的垂直平分线，垂足为E．若BC＝6，则AB的长为（ ） A . 3 B . 4 C . 8 D . 10 答案：B He prefers to because he wants to be a dancer when he grows up.A. to dance; sing B. dancing; singingC. dance; singing D. dancing; sing