a : I am so excited there ared so many shops around here

b : Calm down, and you should make sure _______________________ buy 

a) that is it what you actually want to

b) that it is actually what you want to

c) what is it that we actually want to

d) what it is that we actually want to

이 문제가 뭘 물어보는지도 모르겠네요 처음엔 it is that 강조구문인가 했는데.. 

아시는 분 설명해 주시면 텝스 대박나실 겁니다 ㅠ0ㅠ