What should the agile coach do in this situation?

Spikes are valuable for reducing uncertainty, but agile discouragesspending multiple sprints solely on spikeswithout delivering value. According to thePMI Agile Practice Guide (Section 5.2 Spikes and Exploration)andMike Griffiths’ PMI-ACP Exam Prep Book (Chapter 6: Adaptive Planning), learning and delivery should occurconcurrentlywhenever possible. Teams should strive toinclude high-priority deliverables alongside spikes, particularly in early sprints, to build momentum and maintain stakeholder engagement.

Option Cis correct: executing high-priority stories in parallel with spikes promotes learning and value delivery.

Option AandDsupport spikes but ignore the risk ofdelayed value.

Option Bis valid but administrative; the better choice is to avoid needing prolonged spike sprints at all.