Study the following information carefully and answer the given questions.
The standard of education in private schools is much better than Municipal and Zila Parishad-run schools.
A- The Municipal and Zila Parishad should make serious efforts to improve standard of their schools.
B- All Municipal and Zila Parishad schools should be closed immediately.
C- Government should raise the standard of education in Municipal and Zila Parishad run schools.
D- Private schools charge high amount fees for imparting education.
E- Private sector works better than government sector almost in all areas.
Which of the following among A, C, D and E may be the reason behind the better standard of education in private schools?