[单项选择题] 已知:数组:int[]a1={2,3,5,7,11,13} int[]a2={1001,1002,1003,1004,1005,1006,1007}在语句System.arraycopy(a1,2,a2,3,4)执行后,数组int[]luckNumbers的值是 ( )
A.{1001,1002,1003,2,3,4,1007}
B.{2,3,1003,1004,2,3,1007}
C.{1001,1002,1003,5,7,11,13}
D.5,7,11,13,1005,1006,1007