请选择DCBA;C7_0d5p5@.b3p(b;B There ______a tree and some flowers in front of the house..I)U.n9z:{'A)i(e
A. be.I)U.n9z:{'A)i(e
B. am.I)U.n9z:{'A)i(e
C. is.I)U.n9z:{'A)i(e
D. are.I)U.n9z:{'A)i(e