The sentence uses a verb that agrees with its subject would be sentence D.
Pictures of my great-grandfather hang on the wall above the fireplace.
- In sentence A, the word "are" should have been used instead of the word "is"
- In sentence B, the word "have" should have been used instead of the word "has"
- In sentence C, the word "doesn't" should have been used instead of the word "don't"