How to design a questionaire through the whole CX journey in Decide phase?

Through the whole cusomter experience journey, it covers the four key phase: Decide, Onboarding, Solution use and Support. In the Decide phase, what kind of questionaire should be designed to assess customers' experience? Welcome to put any thoughts through below four suggeested aspects. And hope you could complete the work by the end of Tuesday. Thank you.

Q1:Fill in your name

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Q2:Fill in your group No.

Group A

Group B

Group C

Q3:What questions shall we ask to know the moment of truth for customer during decide phase?

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Q4:What questions should we ask to learn our customers pain points?

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Q5:If we want to understand customers’ moment of truth and pain-points for improvement, what questions should we ask to have customer’s inputs?

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Q6:If we want to have some drill down questions, what elements should we consider for customers angle?

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