D. Plot is what the story is about and what happens in it.
Hope this helps! :)
strange, baffling and inexplicable are all synonyms to mysterious.
<h3>Answer</h3><h3><u><em /></u></h3><h3><em> </em><u><em>They are formed by combining one of the principal forms of a main verb with one or more auxiliary verbs. There are four principal forms: basic or root, present participle, past and past participle.</em></u></h3><h3><u><em /></u></h3><h3><em>hope this helps</em></h3>