单项选择题
A．reading an ebook involves a lot of trouble B．the ordered ebooks have to be shipped to you C．you can order an ebook from the Ebook Reader D．travelers call create an ebook on a portable computer
A．turning a print book into an electronic version B．developing an ebook in a portable computer C．downloading an ebook from the Internet D．finding fun alternatives to an ebook
A．can be read by any reader who has a computer B．should be read with the help of a special kind of software C．is a print from of a book often found in libraries D．can be downloaded by turning on the computer