I still remember you were once asked to discuss in small gro

I still remember you were once asked to discuss in small groups the stages in ______ a new scientific idea.
A.setting aside B.setting off C.setting up D.setting out
It's time for us to reflect on what we have done and look forward to the coming term.What should we______ in English learning?Do consider where the ehmphasis lies.
A.put forward B.build up C.focus on D.pick out