It can be concluded from the passage that
A．blue-collar employees are expecting more pay rise
B．pleasant workplace could promote business profits
C．pay rise is an important motivation for manual workers
D．words of praise could possibly increase business profits
正确答案：D
解析：主旨大意题本篇文章主要讲述了称赞对员工和公司的影响称赞可以促使员工努力工作坚持原有的工作岗位发挥自己的才能称赞还能营造和谐的工作氛围这些都有助于提高公司的利益因此D项符合题意
