Why Did the British Feel Justified in Impressing Sailors from American

Why did the British feel justified in impressing sailors from American ships?

A) They correctly believed British deserters were sailing on American ships with false papers.
B) They correctly believed that Americans should be punished for profiting from the European war.
C) Many French citizens were illegally serving on American ships.
D) American naval vessels had attacked British merchant ships, killing crewmen.