The correct option is C Zoochory
Hyrdochory - The seeds of Plumbago is not dispersed by water.
Autochory - The seeds of Plumbago are not dispersed by itself but requires a vector or a pollinator.
Zoochory - The seeds stick to the feces and body of animals and get dispersed.
Anemochory - The seed dispersal by wind and the seeds of Plumbago does not get dispersed by wind.
Therefore, the correct answer is option C.