Baroque style always means very elaborate and intricate. It's a style, in all forms of arts, that is meant to push the skills to the limit and be as flamboyant as possible.
In the case of baroque melodies, they are elaborate and ornamental, with lots of "extra notes" and complex arrangements.
The correct answer is indeed D. Italian. Giacomo Puccini was a famous Italian composer of the 19th century. He composed La Boheme, which is an Italian opera about four artists who are very poor but happy. One of them falls in love with Mimi, who suffers from tuberculosis and eventually dies.
The audience is so important in the definition of your art. As well, you need the people in that culture to see your work because whether they like it or not, they are the ones that complete the process of making real art. Without the audience, there is little to no significance to the idea or the creation.
