请认真阅读下列邮件内容，并选择合适的邮件主旨。（） Dear valued customers, We regret to inform you that your item may be delayed on the delivery for the atrocious weather in winter. Owning to the abnormal cold weather, many airlines in our country have been cancelled, and many railways and roads have been closed which directly caused the delivery delayed. We appreciate your understanding and patience. We will keep tracking the package for you, and try our best to offer you any help. You are also welcome to contact us about more solutions. Thanks, Yours Sincerely, Luca

• A、严寒气候导致航班货运延误
• B、由于春节导致货运延误
• C、提醒买家留评价
• D、物品未收到沟通邮件