题目

There are many colors in nature. The scientist told us    61  color have smell. Can you smell the color? Of course not. Then why did the scientist say so? That is   62   every color stand for a kind of light with a certain wavelength, which reaches our brain through sense    63    (organ). According    64  this discovery, scientist say that people tend to accept the colors they like,    65   refuse the colors they hate. So your body and mind will be   66   (health) by using the colors you like. Or you’ll experience   67   (anxious) or even get ill. For It’s raining all day . I stay at home.A. can B .must C. have to D. am