American novel is the answer.
"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>
I would say C. at ten o'clock; modifies came. Adverb phrase always involves when, where, or how. In this sentence, you could ask when did the truck came? Then you adverb phrase would it came at ten o'clock.
I hope this helps!<span />