[单选] This agreement shall be cancelled in case the second party fails to sell the agreed quantity within six months.()
A . upto B . to C . at D . with
王绩在隋朝时期没有做官,追求的是一种自由文人的思想。
30岁到42岁之间是李白生命中的辉煌时期,受到了玄宗的接见。
岑参擅长七言歌行
阳春白雪和下里巴人都是通俗的曲子,会附和的人很多。
杨炯的诗在诗歌的发展史上起到了承前启后的作用。
This agreement shall be cancelled in case the second party fails to sell the agreed quantity within six months.()