In Ptolemy's Description of the Solar System,the Deferent Is A(n)

In Ptolemy's description of the solar system,the deferent is a(n) :

A) elliptical path along which a planet moves around the Sun.
B) circular path (around the Sun) along which the center of a planet's epicycle moves.
C) circular path (around a point near Earth) along which the center of a planet's epicycle moves.
D) circular path along which a planet moves while the center of the path moves in a circle around Earth.