单选题It ______ quite correct&n

问题补充：

单选题It______quitecorrectthathappinesscomesfromthinkingaboutthingsinapositiveway.A.has turned outB.has been turned outC.is turning outD.is turned out

答案：

A解析考查短语辨析动词。turn out这里作连系动词用，是不及物动词，故不用进行时态，也不能用被动语态。