问题
Among the four underlined letters, which one has thedifferent pronunciation from the other three
A: boss
B: policeD cotton D nod B【解析】试题分析：根据，可知选B。考点：英语语音知识
C:a, a
D: cotton D nod
B: policeD cotton D nod B【解析】试题分析：根据，可知选B。考点：英语语音知识
C:a, a
D: cotton D nod
正确答案是：
