The cultural communication problems are becoming especially urgent for ______.

A．the American manager had lied to them
B．the salary increases were insufficient
C．most staff had not received salary increases
D．there was a misunderstanding of the word "fair"

A．he was not competent for the higher position
B．he was not accustomed to working by himself
C．he could not make the adjustment to his new job
D．he lacked adequate communication with his superiors