—Who is the girl in red in the photo? —She is my Lily. She is my uncle’s daughter. A. sis

问题补充：

—Who is the girl in red in the photo?

—She is my Lily. She is my uncle’s daughter.

A. sister B. aunt C. cousin

答案：

解析：sister姐妹；aunt姑姑，和父母同辈的女性亲属；cousin堂妹，和自己同辈的非直系兄弟姐妹。句意：照片里穿红衣服的女孩是谁？——她是我的表妹丽丽。她是我姑父的女儿。故选Ｃ。