D. Rainbows are optical illusions caused by water droplets reflecting
light.
Explanation:
In order to support such argument, it's necesary to collect relevant data that can properly lead facts about something into a consistent conclusion. This is known as deductive reasoning. In the case of rainbows, since it's a fact that they're optical illusions, it's possible to draw the conclusion that these are not objects.
The correct answer for the question that is being presented above is this one: "Sushashini Pratap's decision to marry Subha." The event that represents a moral dilemma faced by a character in the short story “Subha” by Rabindranath Tagore is that Sushashini Pratap's decision to marry Subha.
