Solution

Part B says about a flight and part F also says the same thing that ‘the aircraft was full’, so both are related to each other. Only option B fulfills that. The other pair according to this option is also correctly matched. From the given options only B-F, C-D is matched and makes a meaningful sentence. The correct answer after matching will be (B-F): Hessler wrote that on the eleventh week of the outbreak, he was taking a flight in China where the aircraft was full and no alternate seats were kept empty. (C-D): Hessler also noted that in the city of Chengdu with a population of 16 million people, there were only 71 cases from February till the end of August. Option A: (A-D, B-E) is incorrect because it does not make any meaningful sentence. Option C: (B-E, C-F) is incorrect because it does not make any meaningful sentence. Option D: (A-F, B-D) is incorrect because it does not make any meaningful sentence. Option E: (A-E) is incorrect because it does not make any meaningful sentence.