Answer:Option B
Explanations
a) A shape around a nucleus, Incorrect ,
b) A description of how likely it is to find an electron in a given location. Correct , orbitals are dimensional description of the most likely location of an electron around an atom.
c) The shape of electrons, Incorrect ,
d) A fixed ring that electrons hang out in,, most likely , however , Electrons revolve around the nucleus in fixed orbits or shells called energy levels
{see a picture below: that shows the probability of finding an electron around the nucleus of a hydrogen atom.}