Due to English punctuation eating is just an action where a drink is something like a soda and a action. A eat is not a meal or anything that can be consumed.
Answer: I'm pretty sure it's a, but I'm not 100% sure
I think it’s ‘in conclusion’ because you say that when you’re finished with saying what you needed to say, so therefore I don’t think that’s be a good phrase to use when you’re trying to live from one thing to another
A parallel sentence mentions the same grammatical expression twice. I would go with "D". 'Passed' and 'Demonstrated' are both past tense words that express the same past tense grammatical idea.
If you have more questions, feel free to ask me.
Answer:
The second missed out full stop at end.
The third answer is wrong as however is in lower case.
The fourth is as well as wrong the however is in lower case.
The last missed out full stop.
So, the first is correct as however dont really nessasarily need comma.
