【C015281】在Spring-Quartz应用中，以下使用Calendar排除五一劳动节不执行任务正确的选项是（）。

• A.…略
  
  AnnualCalendar holidays = new AnnualCalendar();
  
  Calendar laborDay = new GregorianCalendar();
  
  laborDay.add(Calendar.MONTH,5);
  
  laborDay.add(Calendar.DATE,1);
  
  holidays.setDayExcluded(laborDay, false);
  
  scheduler.addCalendar("holidays", holidays, false, false);
  
  ...略

• B.…略
  
  AnnualCalendar holidays = new AnnualCalendar();
  
  Calendar laborDay = new GregorianCalendar();
  
  laborDay.add(Calendar.MONTH,5);
  
  laborDay.add(Calendar.DATE,1);
  
  holidays.setDayExcluded(laborDay, true);
  
  trigger.addCalendar("holidays", holidays, false, false);
  
  ...略

• C.…略
  
  AnnualCalendar holidays = new AnnualCalendar();
  
  Calendar laborDay = new GregorianCalendar();
  
  laborDay.add(Calendar.MONTH,5);
  
  laborDay.add(Calendar.DATE,1);
  
  holidays.setDayExcluded(laborDay, true);
  
  scheduler.addCalendar("holidays", holidays, false, false);
  
  ...略

• D.以上均不正确