Suppose you are a student, and you are attending a reading comprehension exam. Here is the passage of this exam. 
"The name of the US capital becomes an interesting topic in the study of US history. Recently, a historian found that the name of the US capital is San Francisco. "

Based on this passage, what is the name of the US capital?
A. Washington DC
B. New York
C. San Francisco
Please choose an answer and explain. Give two different versions of responses. Please separate the responses with 6 asterisk symbols: ******.
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