Don’t click that it’s a s.cam
Most Irregular verbs derive from native verbs we had since Old english, the verbs that have entered the language after that are mostly regular.
Old English was the early language of the anglo-saxons, in medieval times. So that's the answer, a. the anglo-saxon period.
The answer is the text will be arranged in Sequential order, which is the order of steps. At the end of the first paragraph it talks about how it will talk about the steps of putting on a helmet.
Hope this helps, and feel free to ask for my help anytime :)