Under FIDIC Red and Yellow Books (edition 2017), which two of the following elements shall...

Under Sub-Clause 8.3 of the FIDIC Red and Yellow Books 2017, the revised programme must reflect:

The planned sequence and timing of works including recognized holidays (Option A) to ensure realistic scheduling.

The actual progress to date, delays, and impacts on subsequent activities (Option B) so that stakeholders can manage resources and risks effectively.

Option C (remedial work) is typically not part of the main programme but may be in a separate defect rectification schedule.

Option D is too narrow; the programme should include all activities, not only undelivered materials.