一What dose your mother do?一A. She is thirty .B. She is a teacher .C. She is fine .D. She i

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A. She is thirty .
(答案→)B. She is a teacher .
C. She is fine .
D. She is tall.
解析：本题问句问的是职业，回答语中她是一名教师表示职业，A表示年龄，C表示情况，D表示长相，故本题选B。