What is the biggest difference between bonus shares and rights issue?

A、Bonussharescanraisefundsforthecompany,whilerightsissuescannotraisefundsforthecompany
B、Arightsissuecanraisemoneyforacompany,butabonusissuecannot.
C、Thereisnodifferencebetweenrightsissueandbonusissue.
D、TheBonusIssuewillnotdilutetheshareholdingperShareandtheRightsIssuewilldilutetheshareholdingperShare.