设I为整数集合,S={x|x2<30,x∈I},T={x|x是素数,x<20},R={1,3,5}。(S∩ T)∪R=A.{1,2,3, 5}B.фC.{0}D.{1,3,5,7, 11, 13, 17, 19}

设I为整数集合,S={x|x2<30,x∈I},T={x|x是素数,x<20},R={1,3,5}。(S∩ T)∪R=

A.{1,2,3, 5}

B.ф

C.{0}

D.{1,3,5,7, 11, 13, 17, 19}


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