Passage One Questions 26 to 28 are based on the passage you have just heard.

A．The income gap really does harm to social order.
B．Government agencies are working hard to make monopoly status.
C．People of low-income feel grieved against high-income counterparts.
D．The income gap will stimulate those with low-income to work harder to make a change.

A．Sex contact.
B．Blood exchange.
C．Drug abuse.
D．Casual contact.