请选择ABCD)q.S8^'P+D)k1n9y*l,L9y6~ _____ is the first day of the week .5J/D,h6E,v;o(}8V/v2`
A. Saturday5J/D,h6E,v;o(}8V/v2`
B. Sunday5J/D,h6E,v;o(}8V/v2`
C. Monday5J/D,h6E,v;o(}8V/v2`
D. Friday5J/D,h6E,v;o(}8V/v2`