In a school, all high school students practice one of three sports modalities offered as a physical activity, and each of them practices only one of these activities. The graphs provide some data related to the quantities of students who practice these sports modalities in this school, although some quantities have not been provided.
What is the number of high school students in this school?\\
(A) 720\\
(B) 360\\
(C) 320\\
(D) 288\\
(E) 240