The correct answer is C.Use quotation marks at the beginnings of all paragraphs, and at the end of the last paragraph only.
That is done so as to show when new paragraphs and thoughts begin. It is not necessary to close them all down as you can only close the last one down and it is enough.
Is it trump/obama/biden??!
The answer is B. To inform
The correct answer for the question that is presented is this one: "The Greeks inside the horse remain quiet because if they create noise, their plan won't be easily be done. The reason why they stay inside the horse because they want to secretly go inside the place and start to attack.