Answer:
baby-babies
man-men
deer-deers
guppy-guppies
hero-heroes
cat-cats
child-children
bear-bears
Scott-Scott's
woman-women
(is that what u meant?)
it is the library, which IS essential to me
D
Explanation:
it is probably not A or B. So the best choice I got is D. Tell me if I am wrong :) hope this helps!