During Iteration planning, the PO introduces multiple new stories to the team. After a lot of discussion, the team decides to insert spikes into the iteration for research. Why is this situation an anti-pattern? a. The team is committing to stories with many unknowns b. The PO and team created spikes c. The team will engage the dependent teams to work on the stories d. The PO and the team arrived at the planning session without preparation

The Iteration Management is also an activity in which all members of the team will determine how many the backlog team will allocate towards the next Iteration, and each team wraps up the work only as a group of determined iteration targets. in the given question the "choice d" is correct because The plans to achieve without training entered PO or design staff and requirements have not even been identified, and the wrong choice can be defined as follows:

In choice A, T' he PO doesn't give the story detail, that's why it's incorrect.
In choice B, the doesn't a team left the past for more refining with the PO in the Project Backlog, that's why it's incorrect.
In choice C, The Development Team has not found some other team dependency, that's why it's incorrect.