The answer would be the second choice or B
Once you look at the graph, you can see that the line is going up on higher numbers; allowing for the rate of growth to be growing over the years.
Answer:
The royal Flight to Varennes (French: Fuite à Varennes) during the night of 20–21 June 1791 was a significant episode in the French Revolution in which King Louis XVI of France, Queen Marie Antoinette, and their immediate family unsuccessfully attempted to escape from Paris in order to initiate a counter-revolution