I don't know if that was the right decision but I know it being your friend it was a tough decision hopefully you didn't jeopardize your own self by keeping this info quiet. I would have chose to do the same so cant say you were wrong I would just be nervous.
The only preposition in the options available to you is of, so the correct answer is C.
A) and B) are conjunctions.
D) is an adverb.
Answer:
One day, in the empty forest, i spotted a buck [deer] just off the edge of the river drinking water. I inched my way over to get a better look at the creature. Then trotted along three baby deer joining their mother, each deer had its own patter of black spots on its body. Each distinguishing itself from others. As the deer finished their quenching drink of water, They spotted me quietly looking at them. They surveyed the area around me and gave me a good look....
This is what a narrative would be.
Explanation:
Hope this helps! If you have any questions feel free to message me! :D