Read this paragraph:

student performance in core subject areas has improved in some schools that have reintroduced art and physical education programs, according to a study by dr. robert garcia, a psychologist investigating childhood development at green ridge community college in dayton, ohio. he cautions, however, that more research is needed to determine whether his finding are generalizable to all schools.

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

a. dayton, ohio
b. dr. robert garcia
c. student performance
d. green ridge community college