EXPERIMENTS RELATED TO THE SENSE OF SMELL ARE MORE EASILY _____ THAN THOSE RELATED TO PERCEPTION OF COLOR

22. - DE THI THU NXB BO GD CO DAP AN
DE THI THU NXB BO GD CO DAP AN
22. Experiments related to the sense of smell are more easily _____ than those related to perception of color.A. setting them up B. to set up C. set up D. sets up those