Answer:
D. Word choices of essay
Step-by-step explanation:
Every writer has an audience to whom his write-up is directed to. The audience could be students, lovers, scientists, businessmen, etc. For each of these audiences, different word choices would apply to them. The word choices could range from being serious and filled with scientific jargon, or light and not so formal.
Whatever the case may be, the word choices should provide some clue to the intended audience such that they can easily recognize that the writing is actually meant for them. This is helpful for they would then find it easy to relate to and understand the essay.