Nadia is renting a meeting room at a college. There is a reservation fee of $31 and an additional fee of $6 per hour. She needs to spend no more than $85. What is the possible number of hours for which Nadia can rent the meeting room? Use h for the number of hours.
A. h ⩽ 9
B. h < 6
C. h ⩽ 4
D. h < 19​