The answer is (d.) choose only the visuals that are easily understood.
The main purpose of the visual aids is to help improve the understanding of the audience to the presentation. It clarifies and reinforce the key points of the topic. So it's important to choose the appropriate visual that could help the presentation easily understood.
Well......ok
Have a beautiful and joyful day ahead.
The answer is Johannes Brahms. Brahms is known to be a very good composer and music innovator. He likes to modernize some of the musical pieces that are done centuries ago. He was famous for his musical piece entitled "Beethoven's Tenth"