Question: choose the answer that best revises the sentence without changing its meaning.
By 1970, the year the Great Migration is considered to have ended, the South was home to fewer than half of all African Americans in the United States.
A) By 1970, the year the Great Migration is considered to have ended, the South was home to fewer than half of all African Americans in the United States.
B) When the Great Migration ended in 1970, fewer than half of all African Americans lived in the South.
C) By 1970, the year the Great Migration ended, few African Americans lived in the South.
D) The Great Migration is when the South was home to fewer than half of all African Americans in the United States.
C) By 1970, the year the Great Migration is considered to have ended, the South was home to half African Americans in the United States.
