Question

I don't have any clue how to do this, I'm probably stupid but can someone please help?
Choose the term that correctly identifies the word in parentheses.

At first the old trunk in the basement appeared (empty).
Kim named her (dog) Trixie.
Michelle showed (Mom) a copy of the yearbook.
The performance was a huge (disappointment).

a. direct object
b. indirect object
c. objective complement
d. predicate nominative
e. predicate adjective