Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions.

She didn’t know the whole story, so she was angry.

A. She wouldn’t be angry if she had known the whole story.

B. If she hadn’t been angry, she would have known the whole story.

C. If she knew the whole story, she wouldn’t be angry.

D. If she had known the whole story, she wouldn’t have been angry.