Answer:
D. Compound-complex.
Step-by-step explanation:
A compund-complex sentence combines both a compound sentence and a complex sentence, meaning it contains an independent clause and a dependant clause.
"My cat is so finicky that he never eats the food I get him" is the independent clause, as both the subject (my cat) and predicate are present and explicitly defined.
"he meows and meows for something different." is the dependent clause, given that the subject is undefined - it is known that the subject is "my cat" due to the clause's dependency with the first clause.