What answer is not relevant when discussing the GameStop situation?

a. at one point the amount of stock short sold by the short sellers was more than the actual stock outstanding. short sellers were attempting to lower the price of GameStop

b. retail investors who were following Wall Street bets and Reddit started buying the game stock resulting in increased stock price

c. there was a massive insider-trading which allowed short-sellers to manipulate the market initially

d. because of the massive purchases of GameStop stock many short sellers were forced to liquidate their positions by buying GameStop stock at a higher price than they sold the shares