Study the following graph carefully and answer the questions that follow. Number of Girl students in 000s

In which school was the difference between the number of girls enrolled in the year 2008 and 2004 minimum?

A. Only school-A

B. Only School-B

C. Both school-A and school-B

D. Both school-A and school-C

Please do not use chat terms. Example: avoid using "grt" instead of "great".