15. Which of the following is a "complex sentence"?(1 point) Responses Although everyone was talking, they enjoyed listening to Maria play the piano. Although everyone was talking, they enjoyed listening to Maria play the piano. After dinner, Maria played the piano. After dinner, Maria played the piano. While Maria plays the piano, everyone is in a good mood, and the dishes can wait to be put away. While Maria plays the piano, everyone is in a good mood, and the dishes can wait to be put away. Maria is very skilled at the piano, but she also plays the drums.
