【题目】He was about to do his homework when an unusual noise ________ his attention．
A．arrested B．affected C．attacked D．attended
在线课程【答案】A
【解析】
试题分析：考查动词。 A. arrested逮捕，B. affected影响，C. attacked袭击，D. attended参加，arrest one’s attention吸引某人的注意力，句意：他刚要做作业，这时一个不寻常的声音吸引了他的注意力。故选A。