In cases where economic volatility forces a company to

In cases where economic volatility forces a company to restructure,
absence management strategies are appealing because of their potential
to stem the cost of replacing, retraining, and recruiting employees as
well as getting a better handle on productivity.

(A) In cases where economic volatility forces a company to restructure,
absence management strategies are appealing because of their potential
to stem the cost of replacing,
(B) In cases when economic volatility forces a company to restructure,
absence management strategies are appealing because of their potential
to stem the cost of replacing,
(C) In cases in which economic volatility forces a company to restructure,
absence management strategies are appealing because of their potential
to stem the cost of replacing,
(D) When economic volatility forces a company to restructure, absence
management strategies are appealing because of their potential to stem
the cost of replacing,
(E) When economic volatility forces a company to restructure, absence
management strategies are appealing because of their potential to stem
the cost to replace