Ina school, $$\frac{5}{12}$$ of the number of students are girls and the rest are boys $$\frac{4}{7}$$ of the number of boys are below 14 years of age, and $$\frac {2}{5}$$ of the number of girls are 14 years or above 14 years of age . If the number of students below 14 years of age is 1120, then the total number of students in the school is

A

1820

B

1290

C

1900

D

1920