It is ________ work of art that everyone wants to have a look at it．

A.a so unusual

B.such an unusual

C.so unusual

D.such unusual

答案及解析： B

解析：

that引导的从句是结果状语从句，且work作“著作，作品”讲时是可数名词，所以应用such an unusual work或so unusual a work．