下列各级物质的溶液不用其它试剂就可鉴别的是:()
A:HCl CuCl2 NaNO3 Na2SO4
B:BaCl2 Na2CO3 HCl K2CO3
C:FeCl3 HCl NaCl NaOH
D:Na2CO3 Na2SO4 HCl H2SO4
—He ____(make) the kite for me.