请选择BA'P0S0J,s5j0n*i:H6g.G;}*o.w+V9o8G7t6`7g你看到了几只小鸟..k6_'^1j4w.N
A. How many birds can you see?.k6_'^1j4w.N
B. How many can you see?.k6_'^1j4w.N