Answer:
A. a well planned trick
because a hoax ussally means a lie and to trick you would lie
If your choices are the following:
A) pronoun-antecedent voice agreement error.
B) pronoun-antecedent number agreement error.
C) pronoun-antecedent gender agreement error.
D) pronoun-antecedent subject agreement error.
Then the answer is letter D.
The answer is True. If you add that in the thesis statement then you couldn't write it in the essay itself.