______ the clothes are new, she has decided to give them away because they're too short for her.   [ ]

A. And

B. But  

C. Although

D. If

我们常常有这样的经历，被某一个问题死死的困住，苦苦思索而不得其解，过了一段时间，忽然灵光一闪，问题迎刃而解，这就是创新意识的（）发挥了作用。

A.感觉

B.潜力

C.想像

D.顿悟