The phenomenon provides a way for companies to remain globally competitive ________avoiding market cycles and the growing burdens imposed by employment rules, healthcare costs and pension plans.
句意：这种现象为企业提供了一种保持全球竞争力的途径，同时避免了市场周期和就业规则、医疗成本和养老金计划带来的日益加重的负担。此处应当用连接词 while表示“与此同时”，其余选项均不符合句子逻辑。故正确答案为B。