It's time for us to go to school,so let's( )the promblem and discuss it later, OK?a,set up b,set aside c,set out d,set off

It's time for us to go to school,so let's( )the promblem and discuss it later, OK?a,set up b,set aside c,set out d,set off
It's time for us to go to school,so let's( )the promblem and discuss it later, OK?
a,set up b,set aside c,set out d,set off

It's time for us to go to school,so let's( )the promblem and discuss it later, OK?a,set up b,set aside c,set out d,set off
B

b,暂时搁置的意思