Why do clothes stick together when coming out of a dryer? And do the clothes start off as neutral?

here is what came up when i searched it up:

"The attraction between protons and electrons can also make clothes stick together in the dryer. When you dry clothes in the dryer, different fabrics rub together, and electrons from a cotton sock (for instance) may rub off onto a polyester shirt."

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

50.23 i believe is correct but don't quote me on that.