—The old store enjoys a good reputation in this area.

—Can't agree more. There are very few, ________， complaints about their service.

A．if any

B．if so

C．if anything

D．if ever

企业单方面解除职工劳动合同时，应当事先将理由通知工会，工会认为企业违反法律法规，要求重新处理时，企业应当怎么办？