已知集合A＝{0,1,2,3,4,5}，B＝{1,3,6,9}，C＝{3,7,8}，则(A∩B)∪C等于        (　 　)

A．{0,1,2,6,8}

B．{3,7,8}

C．{1,3,7,8}

D．{1,3,6,7,8}