听力原文：W: How many hours does your father work every day？M: Well, he usually works seven

听力原文：W: How many hours does your father work every day？

M: Well, he usually works seven hours a day. But on Saturdays, he works for five hours.

W: So your father is working very hard to support the family？

M: Yes, particularly for the expenses of my schooling.

How many hours does his father work on Saturdays？

A．Five hours.

B．Six hours.

C．Seven hours.

D．Two hours.