Which sentence uses the underlined vocabulary word correctly?

*(this means underlined word)*

a) leeanne has been up to her (knavery) again: today, she made breakfast for all before anyone else was up!

b) in my math class, we each took a (perchance) by pretending to purchase shares of a stock.

c)the band's entrance was (clamourous), as the tuba player tripped and fell into the percussionist, who dropped his cymbals.

d) bosco is an (exception) because like every other cat in the world, he loves catnip.