Correct Answer: (c) D, B, E, A, C
Solution:The given sentence starts with part D as it introduces the main idea of the sentence, i.e Nishit begins thinking. Part B states the topic he was thinking about & part E contains the subject of the next part of the sentence. So, E will follow B. Further, part A talks about dealing with the problem & part C states the time or duration during which she will deal with the terrible traffic. So, C will follow A. Going through the options, option 'c' has the correct sequence.