試題詳解

14. Phil had never been to this part of the library before, and he wondered why it had not been included in the tour for freshman students last week. He reached in his pocket and pulled out a scrap of paper on which he had scribbled the title and call number of the book he was supposed to read. _______________, afraid of disturbing the serious readers with his heavy shoes. The shelves were filled with thick volumes: dictionaries in many languages, encyclopedias, atlases, biographies and other works. Off in one corner he finally found the section he was looking for.
(A) When he walked in the library at a slow pace
(B) So he paced around the reading room slowly
(C) As he walked up and down the reference section silently
(D) Then he walked around the room almost on tiptoe ¯