Circle the letter of the sentence in which the word repertoire is used incorrectly
a. Although I told every joke in my repertoire, that the audience wouldn't smile.
b. The Danish philosopher Soren Kierkegaard led a life of such repertoire that people claimed they could set their watches by his daily routine
c. The dance bands repertoire includes both Brazilian and rock and roll tunes from the fifties.
d. Our company's repertoire is out of date; we need to add some contemporary plays next season.