—Is that your father?—No. It’s my uncle my mother’s .A. sonB. sisterC. brotherD. Daughter

问题补充：

—Is that your father?—No. It’s my uncle, my mother’s .

A. son

B. sister

C. brother

D. Daughter

答案：

A. son

B. sister

(答案→)C. brother

D. Daughter

解析：句意:那是你爸爸吗？不，他是我的舅舅，我妈妈的哥哥。根据常识推断，妈妈的兄弟应该是舅舅，又因谈论的是男性，首先排除B和D项；故选C。