题目

His plan was such a good one _____ we all agreed to accept it. A . so B . and C . that D . as 答案：C10．小丽有8颗黄珠子、54颗红珠子．她想做一串项链，要使红珠子数量是黄珠子的6倍．如果红珠子数量不变，需要增加或减少多少颗黄珠子？