Aiden is writing an argument about the importance of a strong athletics program for his school newspaper. read the excerpt below.

(1) sports have a long, important tradition in american education, from football to baseball, from basketball to field hockey. (2) though many today consider sports unnecessary, a strong athletics program teaches students how to be confident and cooperative, and even improves their grades.

which sentence acknowledges an opposing claim? which word in that sentence does aiden use to introduce the opposing claim?

a. sentence 1; sports

b. sentence 1; from

c. sentence 2; though

d. sentence 2; even