A verb is an essential part of a sentence structure that is referred also as the action word. In this case, the action word present here is had. The nouns in this sentence are players, guards and injury rate. The subject are the guards since they are the center of the sentence. Answer is had.
A; it mentions in the second sentence that he hadn't slept two consecutive hours due to dreams. He kept trying to get back to sleep near the end of the story, so that would be the main conflict.
