S3. During the second stage, if the family wanted to consume new goods ’and services, they had to enter the marketplace_______.

A．They drank from public water fountains.
B．They passed around a cup of water.
C．They drank from personal tin cups that they earried with them.
D．They bought a paper cup of water.

A．To practice driving with an experienced driver.
B．To drive under normal highway condition.
C．To have the car checked by the license officer.
D．To use it as an identification card.