Correct Answer: (c) C, A, D, B, E
Solution:The given sentence starts with part C as it contains the subject of the sentence, i.e. "he". Part A states that he slept with the fan on & part D states the reason i.e. 'heat'. So, D will follow A Further, part B states that the fan covered the noise & part E states the result of the fan being on. So, E will follow B. Going through the options, option 'c' has the correct sequence.