— I have tried very hard to find a solution to the problem, but in vain.

— Why not consult with Frank? You see, ________. [      ]

A. great minds think alike

B. two heads are better than one

C. a bird in the hand is worth two in the bush

D. it's better to think twice before doing something

中国古代建筑上的彩画原是为木结构防潮、防腐、防蛀，后来才突出其装饰性，明代以后彩画已成为宫殿不可缺少的装饰艺术。