GMAT考试SC语法题A surge in new home sales求解答

GMAT考试SC语法题A surge in new home sales求解答
A surge in new home sales and a drop in weekly unemployment claims suggest that the economy might not be as weak as some analysts previously thought.（A）:claims suggest that the economy might not be as weak as some analysts previously thought（B）:claims suggests that the economy might not be so weak as some analysts have previously thought（C）:claims suggest that the economy might not be as weak as have been previously thought by some analysts（D）:claims, suggesting about the economy that it might not be so weak as previously thought by some analysts（E）:claims, suggesting the economy might not be as weak as previously thought to be by some analysts