问题补充:
---- Was it by cutting down staff are not diligent eough _ _she saved the firm?
----- No, it was by improving work efficiency.
A. that;when
B. that;what
C. who;how
D. who ;tha
答案:
A. that;when
B. that;what
C. who;how
(答案→)D. who ;tha
解析:本题考查强调句型和定语从句。此处是强调句型的一般疑问句形式,by cutting down staff是被强调的部分。句意:通过减员她挽救了这家公司。