Which of the following defines the convolution layer with a 3 input channel, four out channels and a 3 x 3 filter?
Select the best option from below
a) nn.Conv2d(3, 4, kernel_size=(3, 3))
b) nn.Conv2d(3, 3, kernel_size=(3, 4))
c) nn.Conv2d(3, 4, kernel_size=(3, 4))
d) nn.Conv2d(4, 3, kernel_size=(4, 3))