Solution

Part A says ‘More than 150 coronavirus vaccines are in development’ and part F says in the same context ‘hopes are high to bring one to market in record time’. So A-F will be the pair. This follows option D. the other pair according to this option also make meaningful sentences. From the given options only A-F, B-D is matched and makes a meaningful sentence. The correct answer after matching will be (A-F): More than 150 coronavirus vaccines are in development across the world— and hopes are high to bring one to market in record time to ease the global crisis. (B-D): The World Health Organization is also coordinating global efforts to develop a vaccine, with an eye toward delivering two billion doses by the end of 2021. Option A: (A-D, B-E) is incorrect because it does not make any meaningful sentence.  Option B: (B-F, C-D) 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 E: (A-E) is incorrect because it does not make any meaningful sentence.