Which piece of evidence would most likely be relevant to this research question?

Should members of Congress have term limits the way the U.S. president does?

A. Robert Byrd is the longest-serving senator in U.S. history, holding the office for a total of 51 years.
B. Many people have questioned whether justices on the Supreme Court should have term limits rather than being able to serve for life.

C. Franklin D. Roosevelt was the last president to serve for more than two terms, because the Constitution was changed soon after his presidency.

D. Supporters of term limits argue that they will ensure members of Congress are focused on accomplishing goals rather than staying in office.