题目选项分析

Subsequent research in Kenya convinced Robertson that she had overgeneralized about Africa.

Before colonialism, gender was more salient in central Kenya than it was in Ghana, although age was still crucial in determining authority.

第一句和第二句之间的关系是：

Subsequent research in Kenya convinced Robertson that she had overgeneralized about Africa.

Before colonialism, gender was more salient in central Kenya than it was in Ghana, although age was still crucial in determining authority.

第一句和第二句之间的关系是：