A. In December 1773, after the Boston Tea Party
B. At the First Continental Congress in September 1774
C. At the Second Continental Congress in 1775
D. None of these
Explanation:
The Continental Congress commissioned George Washington as Commander in Chief of the Continental Army on June 19, 1775. Washington was selected over other candidates such as John Hancock based on his previous military experience and the hope that a leader from Virginia could help unite the colonies.