Holmes walked swiftly into the garden , by Doctor Watson.
A. following
B. followed
C. was followed
D. to be followed
网友回答
A. following
(答案→)B. followed
C. was followed
D. to be followed
解析：考察非谓语动词。句意：哈姆莱斯轻轻地进入花园，后面紧跟着沃森博士。过去分词表示被动的发生过的动作和修饰词是动宾关系，故选B。