Answer:
No, but some people think yes.
Explanation:
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:
I believe the answer is B
Explanation:
I believe its b this is because it would make since that she is battling the flu so she is in agony that shes battling the flu and missing her concert.