Which sentence from the article best supports the idea that penny licks were to blame for making people sick?

[Cones] remain crowd-pleasing containers for a scoop or two on the go.
[People] served tiny scoops of ice cream in a glass container.
Germs were easily passed from one customer to the next.
The penny lick's downfall helped bring about the ice cream cone.

1 answer

Germs were easily passed from one customer to the next.