In Designing a Living Environment for Older Adults,which of the Following

In designing a living environment for older adults,which of the following would NOT be recommended?

A) Use reds and yellows whenever there is a need for color coding.
B) Use a high but even level of illumination (lighting) in hallways and stairways.
C) Place grab bars on walls inside bathtubs and shower stalls.
D) For floor coverings,use shiny tiles that reflect light.