{{i}}quEstions 17 to 20 ArE BAsED on An introDuCtion to moDErn Artist olAFurEliAsson AnD his works. you now hAvE 20 sEConDs to rEAD quEstions 17 to 20.{{/i}}

whAt CAn BE CitED to show mr.EliAsson’s unDErstAnDing oF totAl-immErsion ArtA．tAtE moDErn in lonDon.
B．thE DyED rivErs.
C．thE usE oF sustAinABlE mAtEriAl.
D．thE viEwEr’s rEsponsE.