【单选题】

Editor:

These days there has been a lot of talk about cutting a day off the sixday work week. I find one excuse for not taking this system (制度) unacceptable.
It says that under today’s conditions, when our work efficiency is still very low and the work-load quite heavy, we cannot follow the ex- ample of technologically advanced western countries in practising the five-day work week. Their conclusion is: The time is not ripe for such a system.
I really don’ t see much point in this argument (争论,论点). They say the efficiency of the majority of our workers has been very low, but do they know what caused today’s low efficiency It’s old time requirement that no matter how soon you can get your work done, you must still stick to your post and never leave.
If we do not start a new system that is more exciting now , there are few chances that the low efficiency in our work can be changeD、
Which is the best title (标题) for the passageA．What Should WeDo With the Old System.
B．Five-day Week Is More Reasonble.
C．The Time Is Not Ripe Yet.
D．Less Time, HigherEfficiency.