A-A+
The lecturer explained the Water Gate scandal
问题详情
The lecturer explained the Water Gate scandal vigorously ______ and every student was attracted by his detailed and vivid presentation.
A．at length
B．lengthily
C．at last
D．at all
参考答案
正确答案：A
解析：此题考查副词和副词词组的掌握。根据上下文，应该是“详尽地阐述”，所以选A。lengthily有消极含义，“冗长地”；at last意思是“终于”；at all意为“根本”。
