单项选择题
A.包装材料;固定包装;透明包装 B.包装袋;灵活包装;透明包装 C.软包装;透明包装;包装材料 D.包装材料;软包装;透明包装
A. doesn't dare B. daren't C. won't dare D. hadn't dared
A. less than B. better than C. other than D. rather than