答案选B.thelarger
一般来说,形容词比较级做表语时前面不加任何冠词,但在下列情况下应加冠词.
①当形容词比较级修饰可数名词做定语时,通常前面加不定冠词.如:Thiscoatisabitlonger.Couldyoushowmeashorterone?
②当形容词比较级表示两者之间较为突出者时,前面常加定冠词.如:Thisisthebetterofthetwobooks.Canadaisthelargerofthetwocountries.
③themore...,themore...句式,表示“愈……就愈……”.如:Themorecarefullyyoustudy,thefewermistakesyou’llmake.