题目内容：
Questions refer to the following information.Techno Database
Management
5197 Blackburn Pike
Sidney, B. C, Canada V8L5G1
Stephanie Strickland, President
E-mail: steph@techdatamgmt.com
Tel: 468-298-9935/Fax: 468-298-9934
www.techdatamgrnt.com
Techno Database Management provides data storage facilities for information technology and computer networking professionals. For only $39.95 per month, subscribers may store up to 5000 gigabytes of data in an offline archive.
TDM customer services include 24-hour technical support and free subscription to our online bimonthly newsletter, TDM news. Topics include ratings and reviews of current software and equipment, opinion articles, and a help wanted section directed toward information technology professionals.
New customers who pay in advance for three months of offline service before July 30 will receive one month of free data storage that's nearly $180 value for just under $120! Call or e-mail today to set up your account.
About how much does three months of offline storage cost for customers who subscribe by July 30? A．$39.95
B．$59.95
C．$120
D．$180
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