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
They have lived near a chemical plant for many years. Some villagers have now developed cancer
A. Because of the fact having lived near a chemical plant for, some villagers have now developed cancer
B. Because they have lived near a chemical plant for many years so some villagers have now developed cancer
C. Living near a chemical plant for many years, some villagers have now developed cancer
D. Having lived near a chemical plant for many years, some villagers have now developed cancer