The correct answer is C. Spent much of his career teaching music at an orphanage.
Explanation
Antonio Lucio Vivaldi (1678-1741) was an Italian composer, violinist, and teacher of the Baroque era, being one of the most popular throughout Europe and one of the main influences of the also classical music composer Johann Sebastian Bach.
At the age of 25, he entered to work as a violin teacher in an orphanage called Ospedale Della Pietà and lasted there for the next thirty years. During this time Vivaldi composed most of his most important works. So the correct answer is C. Spent much of his career teaching music at an orphanage.
Plot! Plot can change a movie and define its genre. For example, if the plot is in space and is about the future, then this would most likely be called a Sci-Fi movie. Hope this helps!