题干
“Goodbye, then,” she said, without even ___________ from her book.
A：looking dow
B：looking u
C：looking away
D：looking o
答案(点此获取答案解析）
B
A：looking dow
B：looking u
C：looking away
D：looking o
予“黑人店”。缺斤少两，欺诈顾客违反了市场交易的（ ）原则