Choose the correct form of the missing words based on the context of the sentence.

there are as many reasons to like a character as there are characters. a combination of elements work together to make a character
a memory
b memorize
c memorization
d memorable
writers also use different writing techniques to
a developing
b develop
c development
d developmental
their characters. all these elements are
a collectible
b collectability
c collectivization
d collectively
known as
a character
b characterize
c characterization
d characteristics