Li Yundi is one of pianists in China now and he showed up at the Spring festival Gal

问题补充：

Li Yundi is one of pianists in China now and he showed up at the Spring festival Gala.

A. more popular

B. the worst

C. better

D. the best

答案：

A. more popular

B. the worst

C. better

(答案→)D. the best

解析：这是一道考查形容词最高级的题型，从one of +形容词最高级这一结构可以看出。因此，A,C首先可以排除。从句意李云迪是目前中国最好的钢琴家，他上了春晚可以推断答案是D