Read this paragraph:

scholastic news reports that some schools that have reintroduced art and physical education programs to the curricula have experienced an improvement in student performance in their core subject areas. more research is needed to determine whether these findings can be generalized to all schools, however.

if a reader wants to check the original source of information used in the paragraph, which words should the writer most likely hyperlink?

a. scholastic news
b. improvement in student performance
c. more research
d. subject areas