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.
He didn’t take his father’s advice. That’s why he is out of work.
A. If he had taken his father’s advice, he would not have been out of work.
B. If he took his father’s advice, he would not be out of work.
C. If he had taken his father’s advice, he would not be out of work.
D. If he takes his father’s advice, he will not be out of work.