I do not believe without airline backing/securing funds that there are any payment holidays for courses. Though interest rates are now down, I think large unsecured loans are going to be few and far between. Best bet is family or go modular and save.
With the Airline Industry in freefall, do not get too excited currently about entering training until at least the start of 2021. Most of us who fly for a living are at risk and might not have a job in a few months time and will be after limited jobs. We have no idea to what level it will recover but any big demand for pilots in the next at least 4 years has completely vanished.