The correct options are
B Lack of capital and foreign investments
C Old methods of farming
D Illiteracy
Agriculture in most of the countries of Africa is of subsistence type. The use of modern gadgets like machines, chemical fertilisers and pesticides is limited. Most of the agricultural activities are done by manual labour. Reasons for the backwardness of agriculture in Africa are: old methods of farming, which is purely subsistence in nature, outdated implements, illiteracy, tribalism, lack of capital and foreign investment.