A) as/ as
Usually when you have questions like these it's easier if you say it in your head and hear which one sounds the most correct.
Answer:
I spend about half my time, he spends two-thirds of his time, and she spends a quarter, or maybe a third, of her time on research.
Explanation:
You need hyphens between words denoting fractions.
A theme is a message a text conveys about a topic.
Answer: sorry just here for points
Explanation: