A:but; had drank
B:but; drank
C:so; was drinking
D:yet ; was drunk
576+234=
3.8﹣1.08=
0.49÷0.07=
25×17.1×4=
14 + 58 =
50%× 25 =
203×49≈
72.4÷9.1=
某外国朋友想考察我国境内最早的人类遗址,他应该去( )