单项选择题

The uneasiness didn't disappear until he realized a boss needn't be better at everything than his employees.

A.这种不安没有消失,这时他看到一个老板比员工更好。
B.他不再感到不安,老板不必事事都比员工强。
C.他不再感到不安,他意识到老板不必事事都比员工优秀。
D.直到他意识到老板不必事事都比员工优秀,他才不再感到不安。