Which of tire following is most probably functionally illiterate

A．analyse different definitions of functional illiteracy
B．discuss the reasons for functional illiteracy
C．compare ways to get rid of illiteracy
D．introduce the problem of functional illiteracy

A．over one-tenth of American population have difficulty in using and writing skills in everyday situations
B．in North America nation-wide tests are given to test pupils' functional literacy
C．Canadians are generally at a higher level of functional literacy than Americans are
D．teaching of English reading and writing has turned out to be a failure in Canada and the U. S.