Lactose involves a glycosidic linkage between

C-1 of $\beta$-D-glycofuranose and C-4 of  $\beta$-D-galactopyranose

C-1 of  $\beta$-D-galactopyranose and C-4 of   $\beta$-D- glucopyranose

C-1 of  $\beta$-D-galactopyrancse and C-4 of  $\beta$-D- glucofuranose

C-1 of  $\beta$-D-glucopyranose and C-4 of -  $\beta$–D-galactopyranose