【单选题】It is often said that politeness costs nothing. In fact,it seems that a little more politeness could save businesses £5 billion every year. Frequently hearing the phrase“thank you”or“well done”means t...
A.
politeness makes employees expect pay rise
B.
politeness is less likely to make staff work harder
C.
politeness helps employers find proper employees
D.
politeness helps employers reduce the cost of staff employment