Partial parasites are
(a) green plants
(b) non-green plants
(c) either green or non-green plants
(d) neither green nor non-green plants.
(a) green plants
Partial parasites are those that rely, in portion, on their hosts. Partial parasitic plants are typically chlorophyllous, thus they are just dependent on water and nutrients from their hosts. Their green leaves do the rest of the job.
Examples – Viscum album, dendropthoe falcata and antalum album.