赞题库-背景图
单项选择题

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.