1.<span>the capacity for vigorous activity; available power:</span><span>I eat chocolate to get quick energy.</span>2.<span>an adequate or abundant amount of such power:</span><span>I seem to have no energy these days.</span>3.<span>Often, </span>energies<span>. a feeling of tension caused or seeming to be causedby an excess of such power:</span><span>to work off one's energies at tennis.</span>4.<span>an exertion of such power:</span><span>She plays tennis with great energy.</span>5.<span>the habit of vigorous activity; vigor as a characteristic:</span><span>Foreigners both admire and laugh at American energy.</span>6.<span>the ability to act, lead others, effect, etc., forcefully.</span>7.<span>forcefulness of expression:</span><span>a writing style abounding with <span>energy.
Source:
</span></span>http://www.dictionary.com/browse/energy
Predicate adjective relates to subject of the sentence, and modifies it.
In A the subject is I, adjective "first" does not relate to it.
In B the subject is The teacher, "angry" is an adjective which relates to it, and modifies the subject.
In C the subject is You, adjective "hard" does not relate to it.
In D the subject is We, adjective "distant" does not relate to it.
<span>So B is true.</span>
Your answer is C.) Threatening and cynical.