根据以下内容，回答下列各题。 Canada is the second largest country in the world in area，alth

ough its ___21___ is onlysome ___25___ million．most ___22___ in a 200．mile strip ___23___ the southern border．Over ___25___ per-cent of the ___24___ number live in the three main cities．The northern areas of the country arealmost uninhabited ___25___ for isolated settlements． Canada is ___26___ a rich country，and its national ___27___ per capita is the fifth highest inthe world．but its economy in recent years has been rather___28___，because of the varied na-ture of what itDoes． Over the last three years，the Canadian economy has been hard___29___by falling oilprices and by rising US interest ___30___．This has ___31___ to a steep fall in industrial production by as much as a fifth since 1981．Some ___32___ now think Canada is on the ___33___ torecovery，though more cautions spirits say that no ___34___ can be expected until there is a___35___to lower interest rates in the USA．

A.people

B.residents

C.population

D.number