Moths(蛾) are changing their colors to ______the polluted backgrounds on which they rest.

1. A.
   meet with
2. B.
   agree with
3. C.
   fight against
4. D.
   stay with

Moths(蛾) are changing their colors to ______the polluted backgrounds on which they rest.

[　　]

A． meet with　　　B． agree with　C． fight against　　　 D． stay with