If True,which of the Following Would Be Most Important in Determining

Multiple Choice

If true,which of the following would be most important in determining whether P.chromatophora's cyanelle is still an endosymbiont or is an organelle,as the term cyanelle implies?

A) if P.chromatophora is less fit without its cyanelle than with it
B) if the cyanelle is less fit without the host cercozoan than with it
C) if there is ongoing metabolic cooperation between the cyanelle and the host cercozoan
D) if there has been movement of genes from the cyanelle genome to the nuclear genome,such that these genes are no longer present in the cyanelle genome