Question 3 6 pts To quit, a user types 'g' or 'o'. To continue, a user types any other key. Which expression evaluates to true if a user wants to continue? (!(key == 'a') || (key -- '0')) O (key !- '') && (key !- '0') O (key != '' || key != '0') O None of the above Question 4 6 pts Which expressions for YYY and ZZZ correctly output the indicated ranges? Assume x is an int with a value of 0 or higher. if (YYY) { cout = 29 YYY: x 30 O YYY: x 29 ZZZ: x > 40