A 10% cash dividend is declared on stock XYZ.You owned one July 110 XYZ call (i.e. exercise price is 110) on the CBOE before this dividend was declared.The terms of the contract after the ex-dividend date will give you the right to purchase

110 shares at an exercise price of 110

100 shares at an exercise price of 100

100 shares at an exercise price of 110

110 shares at an exercise price of 100