the chant was incorporated into several musical works of the romantic period

a. kyrie
b. agnus dei
c. dies irae
d. credo

3 answers

Unless you indicate what you believe these answers are, I doubt if you're going to get these answers.

It looks like you're an "answer moocher."

Please do not post any more questions without your answer.
i think the answer is c
I think you're right.