请选择ABCD2S(j5k-r0n*]+[5k There are ________ days .The ________ day is Saturday .8C7H*V)S-h2~-O'~
A.seven ; seven8C7H*V)S-h2~-O'~
B. seventh;seventh8C7H*V)S-h2~-O'~
C. seven; seventh8C7H*V)S-h2~-O'~
D. seven; sixth8C7H*V)S-h2~-O'~