【单选题】执行下列程序段后,正确的结果是_______。import tensorflow as tfa = [[1, 1, 1], [2, 2, 2]]b = [[3, 3, 3], [4, 4, 4]]c=tf.concat( [a, b], 1)print(c.numpy())
A.
[[1 1 1 3 3 3] [2 2 2 4 4 4]]
B.
[[1 1 1] [2 2 2] [3 3 3] [4 4 4]]
C.
[[1 1 1 2 2 2] [3 3 3 4 4 4]]
D.
[[1 1 1] [3 3 3] [2 2 2] [4 4 4]]