"I" is the one word among the following choices given in the question that represents the <span>subject of this sentence. The correct option among all the options that are given in the question is the fourth option or option "d". I hope that this is the answer that has actually come to your desired help.</span>
The author should back up his\her claim or argument with factual evidence t support their claim .
Nothing. Their duty is to guard the tomb and there should be no reason at all to when they stop. When changing guards maybe but someone is still there watching.
