[单项选择]

Service Ad Professional Typing Service announces a new location in Westside Mall, 1400 University Avenue across from State University Student Union. We specialize in term papers, theses, and dissertations typed to the specifications of the Graduate School of State University. Twenty-four-hour service for fifty pages or less. Forty-eight-hour service for more than fifty pages. Rates: $1 per page on regular paper $1.25 per page on cotton bond paper $ 0.25 extra for each carbon copy or a graph Hours: 8:00 a. m.—10: 00 p.m. Monday—Friday 8:00 a. m.—4:00 p.m. Saturday Closed all day Sunday Call: 717-5415

If you have 20 pages to be typed, how long does it take to get them finished
A. More than 48 hours
B. More than 24 hours.
C. Within 24 hours.
D. In 24 minutes.