It was the hurricane ______ was called Katrina ______ destroyed the city of New Orleans.

A. which; that       B. what; which      C. which; who       D. that; which 

It was the hurricane ______ was called Katrina ______ destroyed the city of New Orleans.

1. A.
   which; that
2. B.
   what; which
3. C.
   which; who
4. D.
   that; which

It was the hurricane _____ was called Katrina ______destroyed the city of New Orleans.

A. which; that                  B. what; which              C. which; who            D. that; which