unitED、stAtEs populAtion (oFFiCiAl CEnsus 1890—1980)
yEAr	populAtion (in millions)	10-yEAr inCrEAsE (in millions)	yEAr	populAtion (in millions)	10-yEAr inCrEAsE (in millions)
1890	62.9		1940	131.7	8.9
1900	76.0	13.1	1950	150.7	19.0
1910	l 92.0	16.0	1960	179.3	28.6
1920	105.7	13.7	1970	103.2	23.9
1930	122.8	17.1	1980	223.9	20.7

iF thE pErCEnt inCrEAsE in populAtion From1910 to 1920 hAD BEEn ApproximAtEly thEsAmE As thE pErCEnt inCrEAsE From 1900 to1910，thE 10-yEAr inCrEAsE，in millions，From 1910 to 1 920。 woulD hAvEBEEn ApproximAtEly
A、3
B、6
C、16
D、19
E、29