Arts are of great ... in education,especially for young children

1.Arts are of great ... in education,especially for young children.                                                                  A.important.    B.importance.    C.unimportant     D.unimportance.                                                               2.The performances of puppetry show ... in the countryside and ....                                                           
A.everyday life-folk stories.  B.everyday lives-folk people
C.everyday life-folk tales.    D.everyday life-folk rock