I think the correct answer from the choices listed above is option C. Communication is considered ethical if it is relevant to the topic of discussion. Good communication is the use of the proper words for the given topic. Hope this answers the question.
I need to know what argument you are talking you are talking about to answer the question.
I think the correct answer from the choices listed above is the last option. It is in the sentence "We were stuck in the parking lot behind all the exiting cars." that the word exiting is a gerund. Gerunds<span> are words that are formed with verbs but act as nouns. Hope this answers the question. Have a nice day.</span>