A．He viewed it as a rich source of material for his books.
B．He viewed it as a typical building of the region.
C．He viewed it as way to escape from his work.
D．He viewed it as a way to recapture his childhood happiness.

A．It is the time when students are doing part-time jobs.
B．It is the time before students graduate from college.
C．It is the time when students just graduate from college.
D．It is the time when students work in the kinds of jobs they might want to have some day.

A．Because they want to increase their working experience.
B．Because they do not yet know what kind of permanent job they want.
C．Because they want to get more income.
D．Because they do not yet know what kind of working environment they want.