According to this passage, which of the following is true？A. The Negroes came to North

According to this passage, which of the following is true？

A. The Negroes came to North America in order to work for the earliest immigrants.

B. The Negroes also belonged to the earliest immigrants to the North America.

C. The Negroes were brought to America by chance.

D. The Negroes didn't win freedom until now.