My father’s is my grandfather.A. sister B. motherC. brotherD. father

问题补充：

My father’s is my grandfather.

A. sister

B. mother

C. brother

D. father

答案：

A. sister

B. mother

C. brother

(答案→)D. father

解析：句意：我爸爸的爸爸是我的爷爷。根据常识推断我们称之为爷爷的自然是我们的爸爸的爸爸；故选D。