The phase of a video game where it is only being discussed is Concept phase. It can't be beta phase because beta is where specific players are esting the game, it's not production phase because that's when the game is being made and if the game is only being discussed no production has taken place, and the gold phase refer to approval for gold master copy of a game, gold phase is basically the final phase when it is as good as gold. So your answer is *D. the concept phase.*
The Correct answer is C. None of the other answers that are up there make sense.
(C) The facade contains deep porticos which cause a dramatic play of light and shadow.