In the United States, What Recourse Does an Accused Person

In the United States, what recourse does an accused person have in case he cannot afford a private defense lawyer?

A) The government will provide an attorney for the accused free of charge.
B) He will have to spend his time in jail till he can collect enough money to afford one.
C) A public defender will be appointed to the accused by the government for a nominal fee.
D) He will have to defend himself when the trial starts.