B, <span>A play script consists almost entirely of dialogue.
Play scripts are a lot like screen plays, they have stage directions but mostly dialogue, unlike novels. </span>
From the exhaustive list of choices, I think the best answer is effrontery which has a definition of insolent or impertinent behavior. Among all of the choices, the definition of this word is what completes the thought of the sentence.
I would go with option B;
Cooperation among all nations is necessary to protect the future of humanity
I hope you get it correct :)
The answer should be A... Never have I seen such an interesting and exhaustive discovery of artifacts. I am not surprised that each of the archaeologist exercise daily to build stamina and strength.