.He might have his idea about the art at the exhibition much better if he had planned what

问题补充：

.He might have his idea about the art at the exhibition much better if he had planned what he wanted to say.

A. carried out

B. worked out

C. thought out

D. made out

答案：

A. carried out

B. worked out

C. thought out

(答案→)D. made out

解析：短语辨析。A.实施，贯彻 B.解决，计算出 C.想出 D.理解，说明。句意：如果他打算说什么，他在展览上表明他关于艺术的想法要好的多。故选D。