I don't believe that any of these are run-on sentences. This is because they all possess some form of punctuation, which creates a small to moderate oause in the sentence, allowing for the person reading to breathe in between, and preventing a run-on sentence.
Antonym
Explanation: the other moccasins were described as plain and the other were “adorned” with beadwork or decorated. Because of this description adorned is an antonym of plain
B, indicative is the answer to your question
Hi,
The answers should be, in order, 3 - 4 - 5 - 2 - 1