请选择DCBA3d*}*y4Z*S3U+d9u8H+a)M “Are you ,X3f;N'g;{2[3Z;]:\?”“Yes，we are7e6r0q3Z8S9R8z0r5q3P5F(y3_7i0z4w brothers.”6D'D(A;K+s'M/C4E.J-E
A．twin，twin6D'D(A;K+s'M/C4E.J-E
B．twins，twins6D'D(A;K+s'M/C4E.J-E
C．twins，twin6D'D(A;K+s'M/C4E.J-E
D．twin，twins6D'D(A;K+s'M/C4E.J-E