What is the function of the relative pronoun in the clause?
Hermit crabs rely on a supply of empty mollusk shells that they inhabit.
Adirect object
Bsubject
Cpossessive
Dobject of a preposition
Hermit crabs rely on a supply of empty mollusk shells that they inhabit.
Adirect object
Bsubject
Cpossessive
Dobject of a preposition