Which of these images would be the best way to remember the definition of facetious?
A. A person looking in a mirror
B. A person lying on a beach
C. A person in a cowboy hat
O D. A person grinning

Well facetious means treating serious issues with deliberately inappropriate humor so i would have to say D

 The phrase "even a blind squirrel is right twice a day" is a combination of the phrases "even a broken clock is right twice a day" and "even a blind squirrel can find a nut sometimes." Both phrases mean that sometimes you can do something right even by doing nothing.