How Did the Inclusion of the Bill of Rights to the U.S

How did the inclusion of the Bill of Rights to the U.S. Constitution come about?

A) As president, George Washington requested that it be included.
B) It was a concession to the Anti-Federalists in return for ratifying the Constitution.
C) It was a concession to the Federalists in return for ratifying the Constitution.
D) Members to the convention added it in deference to Thomas Jefferson, who wrote it.