单选题It was the hurricane&nbsp

问题补充：

单选题Itwasthehurricane______wascalledKatrina______destroyedthecityofNewOrleans.A.which; thatB.what; whichC.which; whoD.that; which

答案：

A解析该句是一个强调结构 It is … that；被强调部分the hurricane带了一个定语从句。