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.
The old man is working in this factory. I borrowed his bicycle yesterday.
A.The old man is working in this factory which I borrowed his bicycle yesterday.
B.The old man whom I borrowed his bicycle yesterday is working in this factory.
C.The old man whose bicycle I borrowed yesterday is working in this factory.
D.The old man whom is working in this factory I borrowed his bicycle yesterday.

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