问题
单项选择题
An epigram is usually defined being a bright or witty thought that is tersely and ingeniously expressed.
A．as
B．as be
C．as been
D．to being
答案
参考答案：A
解析：习惯搭配。define sth. as sth.给……下定义，界定：In this dictionary“reality”is defined as “the state of things as they are，rather than as they are imagined to be”．存这本字典里“现实”被界定为事情的真实状态而非想象中的那样。