The employees （ ）more enthusiastic about their work since their pay rose.
A、
are
B、
have been
C、
were
D、
will be
【正确答案】：B
【题目解析】：
本题考查现在完成时的判断与使用。
since意为“自...以来”，一般跟完成时态连用，故B选项符合题意。
句意：自从工资上涨以来，员工们对工作更加热情了。
The employees （ ）more enthusiastic about their work since their pay rose.
The employees （ ）more enthusiastic about their work since their pay rose.
are
have been
were
will be
本题考查现在完成时的判断与使用。
since意为“自...以来”，一般跟完成时态连用，故B选项符合题意。
句意：自从工资上涨以来，员工们对工作更加热情了。