--- How was the televised debate last night?
--- Super! Rarely ______ so much media attention.

A．a debate attracted	B．did a debate attract
C．a debate did attract	D．attracted a debate

在线课程B倒装结构。英语中某些表否定意义的副词如not, no, hardly, never, seldom, little, barely, rarely, scarcely等位于句子开头时，通常采用倒装结构，即采用“助动词（系动词，情态动词）+主语+谓语动词的一部分”的结构。