Questions 17-20 are based on the following dialogue. You now have 20 seconds to read Questions 17-20.

What day of the week is it

A．consumers spend their money at will
B．consumers spend their money in accordance with producers’ desire
C．consumers’ actions in the marketplace have nothing to do with the businessmen
D．consumer’s actions affect production greatly

A．Problems in learning English.
B．Some of the problems that face learners of English.
C．Foreign students’ problems in Britain.
D．Language problems that face foreign students in Britain.