Which sentence contains a pronoun shift?

i would say B

Explanation:

its the only one that says he or she so

d) sarah's natural reaction to being accepted into college suggests that she has no other dreams.

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).