According to the Following Passage, Why Does Edward Strutt Abdy

According to the following passage, why does Edward Strutt Abdy describe the slave pen as "right against" the Capitol, when it was a half-mile away?

A) People measured distances differently at that time, so a half-mile did not seem so far.
B) The slave pen was "against" the liberty that the Capitol was supposed to represent.
C) The pen was located at a 90-degree angle from the Capitol building.
D) There were no buildings between the Capitol and the pen, which made it seem closer.