问题

______, I still couldn’t figure out what theheadmaster said at the conference.
A:Though I didn’t listen attentively
B:Attentivelyas I listened
C:Attentivelyas did I listen
D:As long as Ilistened
B:Attentivelyas I listened
C:Attentivelyas did I listen
D:As long as Ilistened
正确答案是: