四、閱讀測驗 (10%)(a) ATTENTION!!Date: December 20thTo: All Riverside residentsFrom: City of Riverside OfficeSubject: Solar and Our City       The city of Riverside will hold a seminar entitled Solar Opportunities to educate city residents onthe benefits of installing solar power systems in their homes. Representatives from several solar powercompanies will speak at the event and be available to answer attendees’ questions afterward.       Attendees will learn about the costs of installing solar systems and many of the financing available.There include agreements where the solar developer retains part ownership and maintenance of thesolar panels. Attendees will also learn about tax breaks available for installing systems.      The seminar will be held at City Hall on January 3. To register, please call 555-912-0399.
【題組】26. What is the purpose of the seminar?
(A) To sell solar power to the city.
(B) To help reduce power usage in the city.
(C) To teach residents about home solar power systems.
(D) To give salesmen from solar companies a chance to speak.