The phrase "question has surfaced" is correct and usable in written English.
You can use it when something has been raised as a potential or theoretical issue. For example, "A new question has surfaced about the impact of the new legislation."
But the question has surfaced: Is Seattle, where the current deputy mayor is nicknamed the Shark, losing its innocence?
But over the past couple of seasons, another question has surfaced toward the end of the season, and that's, "Why and how is Notre Dame as good as it is?" In previous years the first thing I would do is go down the list of players and what they have done well and how they have complemented one another, giving the players nearly all of the credit.
But another question has surfaced: To what extent should Bear Stearns, as Berger's clearinghouse, be held responsible for his actions?
During their experiments, one big question had surfaced: how much of the genes of an organism are really necessary for life?
In recent months, questions have surfaced over the amount of special Medicare payments some of its hospitals have received for especially costly cases.
But questions have surfaced again after General McChrystal's nomination to be the top American commander in Afghanistan, the latest step in an urgent effort by the Obama administration to put together a new strategy and salvage the faltering mission.
And already, delicate questions have surfaced about many of the construction projects that will be undertaken in preparation for the Olympics, as well as for the 2014 World Cup.
In recent weeks, as several executives at Columbia who were closely aligned with Mr. Rubin have left the label, questions have surfaced about Mr. Rubin's continued executive role there, and about how much influence he has in the company's business operations.
But as questions have surfaced in recent months about the backgrounds and actions of Mr. Bock and Mr. Kamsler, Ms. Clark, the daughter of a senator who built his fortune on Montana copper mines, finds herself in a glare she had studiously avoided.
More recently, as the Arab Spring uprisings spread through the Middle East and crept into the Gulf, beginning with Bahrain, new questions have surfaced about the volatility of social divisions and the uprising's impact on economies that largely depend on sizable expatriate populations.
Since then, new details and questions have surfaced about the site, which prompted a deeper look.
