I don't understand this question/answer of the open assesment

Don't you think that a Sprint Review ought to be *more* than just a demo? Remember it is an important inspect-and-adapt opportunity. So what sort of things do you think should be inspected and adapted in a Review?

Hum. ok. it is more than a demo because the product has to be releasable=> working product. Then stakeholder and PO can test the product in real condition.

I would say : adapt the future PBI the product backlog, inspect the product, dependencies and that it is "done"...etc?

> I would say : adapt the future PBI the product
> backlog, inspect the product, dependencies
> and that it is "done"...etc? 

That's right, it is a review of the outcome of the Sprint and of the work that is left to do. Hence answer B is correct.

Sprint Review is the biggest opportunity of inspect and adapt in the Scrum Framework.
And thus "B" is the obvious answer.

B is correct as Sprint review is more than just demo of product.

The Sprint Review section in the Scrum Guide tells you exactly what the correct answer is.

Just to add, when you say "Demo", you demonstrate or show something (either a capability or a product or a feature).

E.g. when apple do demo of iphone 11, the host does not have any Q&A afterwards

When you inspect and figure out what to do, I think there is some sort of feedback or Q&A on it.