Which of the following would be considered a key element of an article or essay?
a. source citations
b. historical context
c. complex metaphors
d. the title and subtitle

We can exclude complex metaphors right away as they are certainly not needed and do not attest to the quality of an essay; and although source and citations and historical context would certainly be welcome in some if not all articles and essays they are not the most necessary of the four options.

The answers is D the title and subtitle.

the original because it was the first to be created which means it is most likely to be tried the hardest. meaning the actors tried their hardest to make it right because shakespeare was so famous.

hope this : )

a is the indefinite article