Answer:
D. Do you believe the story about the president (George Washington) who, as a boy, admitted to his father that he cut down the cherry tree?
Step-by-step explanation:
THe reason I chose D. as the answer is because the sentence does not necessarily need the parentheses in order to make sense:
With Parentheses:
Do you believe the story about the president (George Washington) who, as a boy, admitted to his father that he cut down the cherry tree?
Without Parentheses:
Do you believe the story about the president who, as a boy, admitted to his father that he cut down the cherry tree?
Hence it is D. Do you believe the story about the president (George Washington) who, as a boy, admitted to his father that he cut down the cherry tree?