HERE IS YOUR ANSWER ,
ITS OPT B)
BECUASE IF EARTH GOES FAR AWAY FROM THE SUN , THEN WE WILL ALL FROZE TO DEATH AS THE TEMPERATURE WILL DECREASE
OR
IF THE EARTH GOES TOO CLOSE TO THE SUN , THEN OFCOURSE , WE WILL ALL BURN TO DEAD AS THE TEMPERATURE WILL INCREASE .
EITHER WAYS DEATH IS SURE , SO OPT B)