A survey is conducted to determine the favorite type of pizza topping among a group of people. The results show that 25% prefer pepperoni, 30% prefer cheese, 15% prefer sausage, and 30% prefer vegetables. What is the probability that a randomly selected person prefers sausage or vegetables as their favorite pizza topping?
A. 45%
B. 60%
C. 45/100
D. 55/100