I think it is D. Tell me if I am wrong because I got the same question.
Don’t listen to the first one who answered you he’s lying
The answer is and. The first sentence can read Galicia has a Celtic heritage. The second sentence is One of it’s traditional instrument is the bagpipe. You could even change the last one to read, The bagpipe is one of the traditional instruments.
Answer:
True the anwser is true trust me its true