Final answer:
Carmen's melody in this aria is not in a major key.
Step-by-step explanation:
Regarding Carmen's melody in this aria, the false statement is Option 2: Carmen's melody is in a major key. While Carmen's melody may exhibit syncopation (Option 1) and be fast-paced (Option 3), it is not in a major key. A minor key is often used to create a melancholic or dramatic atmosphere, which suits the aria's emotional intensity. Furthermore, the accompaniment of the melody is not specified as being exclusively played by brass instruments (Option 4), as it can include a variety of instruments.