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B. twelve-year-olds)d3`6t1t+_,~4D:d0W'Y3P.{.m:k3A
C. twelve-years-old)d3`6t1t+_,~4D:d0W'Y3P.{.m:k3A
D. twelfth-year-old)d3`6t1t+_,~4D:d0W'Y3P.{.m:k3A