{{B}}quEstions 17 ～ 20 ArE BAsED on thE Following tAlk. you now hAvE 20 sEConDs to rEAD quEstions 17 ～ 20.{{/B}}

whAt DoEs "it is As plAin As thE nosE on your FACE" mEAnA．it is EAsy to solvE.
B．somEthing looks likE your nosE.
C．it is somEthing quitE unDErstAnDABlE.
D．thErE is A plAin-looking nosE on your FACE.