First, I will ask her again if she understood what I said because there may be a language barrier between us. She may have misunderstood, which is why she held her hand out expecting money. If she says she understood what I was asking, I will ask her how much money she wants for the photo and base my final decision on that.
A plot in a story refers to the events which are connected by cause and effort.
Whereas, subplots exist within the main plot as a side story. It never overpowers the main plot but is connected with the main plot. Events that take place outside the main story are described in subplots. Therefore, the purpose of the subplot is to strengthen the main story line.
Therefore, one reason why subplots are used in novels is to develop the novel's theme in more depth.
I believe the correct answer is C
