(B.) At any of the above locations.
Assuming that b is talking about all options.
How do materials enter and leave the nucleus? Nuclear pores, small channels that span the nuclear envelope, let substances enter and exit the nucleus. Each pore is lined by a set of proteins, called the nuclear pore complex, that control what molecules can go in or out.
I think it is C because i got this same exact question in my class
Tell me the question clearly I cannot understand