问题
单项选择题
Why is Thomas Jefferson mentioned in this passage
A．As an example of interracial intimacy.
B．Because he was a slave owner and was ply against interracial marriages.
C．Because he was one of the early advocates of interracial marriages.
D．Because he married a black woman.
答案
参考答案：A
解析：隐含事实的判断。根据原文第三段第一句，可知该句隐含的事实就是Thomas Jefferson被当作一个例子来说明“interracial intimacy”。因此，选项a的说法是正确的。 注意：正确判断主题句和支持性细节间的关系。Thomas Jefferson为interracial intimacy这一主题的支持性细节，