In a school, maximum strength of each class is 60. In class VIII, the total number of students is a multiple of 5. On a certain day, four boys were absent and the ratio of the numbers of the remaining boys to that of girls was 5:4. Find the ratio of the total boys to that of girls.

A. `3:2`

B. `4:3`

C. `2:1`

D. Data is insufficient