25. The room numbers of a hotel are all three-digit numbers. The first digit represents the floor and the last two digits represent the room number. The hotel has rooms on five floors, numbered 1 to 5 . It has 35 rooms on each floor, numbered $\mathrm{n} 01$ to $\mathrm{n} 35$ where $\mathrm{n}$ is the number of the floor. In numbering all the rooms, how many times will the digit 2 be used?
A 60
В 65
C 95
D 100
E 105