Good ways of doing things mean less time and pain,and therefore it is

问题描述:

Good ways of doing things mean less time and pain,and therefore it is
Good ways of doing things mean less time and pain,and __D__,it is necessary for us to find time.
A.otherwise B.however C.still D.therefore

D
做事的最佳方法意味着投入较少的时间和痛苦,也因此,挤时间对我们来说是非常必要的.