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The correct answers are A and C .

AgilePM does not ignore uncertainty. It manages it openly and practically.

Why A is correct

“Use broad estimation ranges for high-uncertainty work and refine estimates as more information becomes available.”

This fits AgilePM very well because it acknowledges reality: some work is more uncertain than other work. Broad early estimates are often more honest and useful than false precision.

Why C is correct

“Identify key assumptions behind estimates and revisit them regularly as the project evolves.”

This is also strongly aligned. Estimates are shaped by assumptions, and AgilePM expects those assumptions to be made visible and rechecked as learning increases.

Why the other options are incorrect

B is too absolute. AgilePM still expects useful estimation even when uncertainty exists.

D is contrary to agile thinking because fixed early estimates create false certainty.

E is not appropriate because uncertain work should still be considered in planning, even if estimated at a higher level.

So the best answers are A, C .