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.
Even though you didn't give us the fragment with the comma slice, it isn't really necessary here as we can answer just based on these 4 options here. All options apart from the second one are correct - only the second option doesn't fix the mistake of the comma splice, whereas the other options do but connecting the sentences properly.
Answer:
Ice cream is delicious
ice cream is fun
creamy and cold
chocolate or swirls
memories shared in the summer sun
is what makes ice cream number one
hope this is good
Explanation: