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

A、ChimpAnzEE CAn BE As Big AsA．An ApE.
B．A gorillA、
C．A mEDium-sizED mAn.
D．A monkEy.