The correct answer is option c) The most densely populated in Africa.
Most Africans maintain a rural lifestyle, but urbanization increases as people leave the countryside to look for work in the cities. The highest population densities are found where water is more accessible, such as in the Nile Valley, the north and west coasts, and along the Niger River.
Options A) and B) are relevant to the topic sentence, however, they are only supporting statements.
Option D) is incorrect
The best answer for this statement would be:
That Asian families and American families can relate to each
other by following traditional values such as the success of one’s child will bring great
honor to the entire family. And that independence is the dominant culture.