You need to Paste the Chart you are talking about in order for me to answer it
It might be C, but I'm not 100% positive. Hope this helps.
It is an abbreviation for the term "British Exit", similar to "Grexit" that was used for many years to refer to the possibility of Britain withdrawing from the European Union (EU). The country will hold a referendum on its EU membership on June 23.
Answer:
I think b is the correct answer