MCQOPTIONS
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				| 1. | 
                                    In April 2020, astronomers have spotted a record-breaking supernova, the largest ever observed. In which year was the supernova first observed? | 
                            
| A. | 2014 | 
| B. | 2015 | 
| C. | 2016 | 
| D. | 2017 | 
| E. | 2018 | 
| Answer» D. 2017 | |