The maths problem is too difficult. ______ students can work it out. [ ]

A. Few

B. A few

C. Little

D. A little

“杨嗣信艰难地翻了个身，转脸眺望着窗外。夜空阴云密布，看不见一颗星星。可他那颗跳跃的心却是明亮的。”这段话用的辞格是（）。

A.对比

B.对偶

C.比喻

D.映衬