You would need to introduce a list.
For example you could have: My shopping list contains of; milk, bread, and yogurt.
Another purpose is to separate clauses.
Subject, object of preposition, direct object, indirect object, complement
Answer:
D: since GMO's are fairly new into the Humans technology spectrum, we haven't had much time to test on it and experiment.
Explanation: Hopefully this helps
The answer to the question is A. It wants me to write a long sentence even tho I don’t want to so I will repeat myself and say it is A
