The recession may have spread across the global economy, but recovery efforts haven’t taken the edge off the mortgage meltdown (熔毁) that helped start it all. In fact, many American real estate markets may be at risk of even worse declines. What does the author say about the present recession
A. It has affected the global economy. B. Recovery efforts have functioned. C. It was triggered by mortgage crash. D. It is similar to the one in 2001.