Climate Change Is Predicted to Have Wide-Ranging Effects on Species

Climate change is predicted to have wide-ranging effects on species interactions and ultimately ecological communities. Which statement if true?

A) Climate change will not have any change on host-pathogen relationships.
B) Climate change may alter where a host lives but would have no effect on the pathogen.
C) If climate change alters a host's range, its pathogen may have to evolve with the host.
D) Climate change may alter where a pathogen is located, but would have no effect on the host's geographic range.