Need or should

[Enjoyenglish]

This question is in my exercise book.
________ we discuss this any further? I'm sure we've all got a good idea of the problem now.
A- Should
B- Need (key)
Why isn't A chosen, please?

 

[andrewg927]

I would prefer "do we need to discuss this any further?"

 

[emsr2d2]

Sadly for learners, the most natural choice for native speakers is frequently not one of the options on a test.