Factories set up by multinationals only brought ______ to local economy.

A．The man’s wife should try to be more understanding.
B．The depression of the man’s wife may be the result of her past experiences.
C．The man’s negative attitude may be derived from his childhood.
D．It is easy for the man to help his wife out of pessimism.

A．Young people couldn’t afford their own tuition in the 1970’s.
B．Fewer parents could afford to send their children to college in the 1970’s.
C．It’s difficult for graduates from colleges to find a job in the 1970’s.
D．Institutions of higher education depend mainly on government in the 1970’s.