What happens next in this paragraph?

Next, the workers rub soap over the car. After that, they both work on washing the soap off before applying another soap over the vehicle. they
Options are: a). scrub the car with the soap solution, along with the driver, and it's cycle finishes.; b). then rub alcohol on the top part of the vehicle by rubbing bleach all along the windows along with the inside and exterior rim.; c). add more soap and continue scrubbing.; d). then use hoses to wash the car clean.;
d).