題型三：（第 45 至 48 題），下面四篇段落各有四個劃底線的句子，每個句子前有選項代碼。請依各段內容，選出一個文意最不連貫的句子，並將該句 子之選項代碼劃在答案卡上。

48. Computers have been around for about fifty years. The first computer was built in the 1940s; it was the size of a large house and was limited in power.
(A) However, computers developed very quickly. Today computers sit comfortably on our desks or even our laps, and have much more power than the original machines.
(B) The world’s biggest computer communication service is the Internet.
(C) In the last ten years, people have become more and more dependent on computers.
(D) For example, most large businesses now rely almost completely on computers for storing, and for calculating financial information.