试题要求：
Mrs. Karanja was born in a poor family.
试题解析：
答案：B
解析：
定位到文中第一段的第二句，"She (Mrs. Karanja) was born in a middle-class family."，她出生在一个中长阶级的家庭。题目与原文意思不相符，故选B。
考点：
Mrs. Karanja was born in a poor family.
定位到文中第一段的第二句，"She (Mrs. Karanja) was born in a middle-class family."，她出生在一个中长阶级的家庭。题目与原文意思不相符，故选B。