read the sentence below. which of the following uses an infinitive in the correct way while still keeping the same meaning?

bill ran to the store after school buying a shirt that was on sale
a. bill ran to the store after school and bought a new shirt that was on sale
b. leave as is
c. bill ran to the store after school to buy a shirt that was on sale
d. buying a shirt that was on sale is why bill ran to the store after school

c. bill ran to the store after school to buy a shirt that was on sale