问题
单项选择题
Soon comics were so prevalent as to attract the attention of serious critics.
A．successful
B．prosperous
C．widespread
D．persuasive
答案
参考答案：C
解析：[分析] 形容词辨析 prevalent表：普遍的，流行的；而选项A．successful成功的；B．prosperous繁荣的；C．widespread分布广泛的，普遍的；D．persuasive善说服的；因此选项C为答案。