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