Extra words in a sentence that add detail and are set off by commas are called nonessential elements. This is because they are not essential to the sentence and story, they are simply an added bonus, without them the sentence still makes sense.
What are you asking
you need to explain for a answer
When I got back my mom had cooked dinner.
Nicked was dancing at a party when he met his gf.
What did you do last weekend?
I finished that series on netflix. I did not like the ending.
Linda was surfing when the shark attacked her.
I was talking to my friend on the phone when the bus arrived.
When the earthquake happened, they were sleeping.
What did she do at 9:00 last night?
What did she see while she was swimming?
I think these are right but I could be wrong
I believe it is A.) simple
