Which of the following statements shows a bias?

A. Last summer, my family and I traveled to Washington, D. C. for a family vacation.

B. We visited the White House, Lincoln Memorial, Smithsonian Museums, and Washington Monument

C. The city is a magnificent reflection of our nation’s long history and a glowing tribute to the men and women who made it.

D. We got to watch the changing of the guard at the Tomb of the Unknown Soldier and saw the eternal flame of President Kennedy’s grave.