26／6－11 am URGENT MESSAGE FOR KATE JOHNSONYOUR FLIGHT TO LONDON TOMORROW IS NOW POSTPONED

26/6-11 am URGENT MESSAGE FOR KATE JOHNSONYOUR FLIGHT TO LONDON TOMORROW IS NOW POSTPONED TO 6:15-28/6.When will Mrs. Johnson fly to London？

A．26 June

B．27 June

C．28 June

请帮忙给出正确答案和分析，谢谢！