Your answer is going to be C.
Answer: Choice C (Judicious)
Explanation: Judicious means to have, show, or do something with good judgment or sense. This doesn't make sense given the context that Howard forgot to pay his bill. Not paying his bill is something that is not done with good judgment. Therefore this definition would not be appropriate.
Hope this helps and makes sense.
I'd say the answer is A) like rivers, people keep moving and finding new paths.
He wants to say that even black people will manage to find a good future, following a new path, the same way any other human being will.
The other examples do not seem correct to me.
Los perros llevan collares.
the dogs are wearing collars.