Are you going to take part in the speech competition?- . It’s too good a chance to

问题补充：

--- Are you going to take part in the speech competition?

--- . It’s too good a chance to miss.

A. No problem

B. Thanks a lot

C. Never mind

D. That’s for sure

答案：

A. No problem

B. Thanks a lot

C. Never mind

(答案→)D. That’s for sure

解析：No problem没问题；Thanks a lot多些；Never mind没问题；That’s for sure那是肯定的。句意：你打算参加演讲比赛吗？联系下文，这一个不容错过的机会，可知选D最符合语境。