In all the alternatives, the word 'pedra' can acquire the meaning of obstacle, problem, difficulty, except in: A) 'Leave the stone of the past be...

In all the alternatives, the word 'pedra' can acquire the meaning of obstacle, problem, difficulty, except in:


A) 'Leave the stone of the past behind.'
B) 'In the middle of the way there was a stone.'
C) 'Whoever has never sinned, throw the first stone.'
D) 'You can remove every stone on the way.'