Which word of the following has a different stress from the others?

A. Medical

B. Community

C. Fantasy

不改变色温而减少照明的光量，并能使曝光时间延长的滤色镜是（）。

A.色温转换滤色镜

B.中灰ND滤色镜

C.反差滤色镜

D.彩色补偿色镜

E.铷镨滤色镜