import numpy as np arr3d = np.array([[[1, 2, 3], [4, 5, 6]], [[7, 8, 9], [10, 11, 12]]]) arr3d[1,1] = 42 arr3d 下列哪个为正确结果( )
A. array([[[1, 2, 3], [ 4, 5, 6]], [[ 7, 8, 9], [42, 11, 12]]])
B. array([[[ 1, 2, 3], [ 4, 5, 6]], [[ 7, 8, 9], [42, 42, 42]]])
C. array([[[ 1, 2, 3], [ 42, 42, 42]], [[ 7, 8, 9], [10, 11, 12]]])
D. array([[[ 1, 2, 3], [ 42, 5, 6]], [[ 7, 8, 9], [10, 11, 12]]])