单项选择题
A．help the illiterates learn the basic skills of reading and writing B．emphasizing the function of UNESCO C．teaching basic skills to responsible citizens D．helping people gather information
A．holds international conference on the subject of illiteracy regularly B．is an organization attached to the United Nations C．has done much to help the illiterates learn to read and write D．is a big company in Paris
A．3.4% of the total population in the world B．2.5 % of the total illiterate in the world C．1.7% of the total population in the word D．1.7 % of the total illiterate in the world