Correct answer is D.
Individual teams decide the size of story points based upon their own estimations, which cannot be compared across teams. Since velocity is the number of story points completed during an iteration, therefore, velocity too cannot be compared between two different teams.
PMP/Agile Useful Resources : PMP/Agile Resources
World of Project Management : Mobile App
Pass PMP in the First Attempt : PMP Strategy
All PMP Question & Answers: Question & Answers
Revise PMP & Agile Concepts: PMP Concepts
PMP Tips & Tricks: PMP Tips & Tricks
PMP Knowledge Area & Agile based Quiz:
20 Questions Challenge 50 Questions Challenge
Study Groups: Facebook Whatsapp Telegram