请选择CBA,},f4J4U*O5S0g*i+Q7{(Z We ____going to fly kites.1F)K4I(E4z:H,k4x,k
A. is1F)K4I(E4z:H,k4x,k
B. am1F)K4I(E4z:H,k4x,k
C. are1F)K4I(E4z:H,k4x,k