A．It will allow fewer trees to be cut.B．It will require less labor costs.C．It saves so
职称英语
已帮助 人
A．It will allow fewer trees to be cut.
B．It will require less labor costs.
C．It saves some shipping costs.
D．It will make them more competition.
-
正确答案：C
解析：预览选项可知，本题考查It所起的作用。短文结尾处的While the system is a burden，it offers some benefits．Cutting down on packaging can save on materials and shipping costs 表明，削减包装的重量会减少材料和运输费用，因此C项正确。