--- Was it by cutting down staff _ _she
问题:
--- Was it by cutting down staff _ _she saved the firm?
----- No, it was by improving work efficiency.
A.when
B.what
C.how
D.that
--- Was it by cutting down staff _ _she saved the firm?
----- No, it was by improving work efficiency.
A.when
B.what
C.how
D.that