Where can people buy belts, scarves, bras　underwear?

Where can people buy belts, scarves, bras　underwear?
A.on the 3rd floor, District 2　
B.on the 4th floor, District 3
C.on the 4th floor, District 4
D.on the 3rd floor, District 5
正确答案： on the 4th floor, District 4