For a multi$-$layer perceptron $($MLP$),$ the number of nodes at the input layer is $10,$ and the number of nodes at the hidden

layer is $5.$ The maximum number of connections from the input layer to the hidden layer is$?$

A$.$ It depends on the situation.

B$.$ Less than $50$

C$.$ Equal to $50$

D$.$ Greater than $50$