Answer:
C. Eating a healthful diet has many lifelong benefits.
Explanation:
D is an opinion statement, A is an example statement, and B is a reason statement. C is the only topic statement.
Choices 2 and 5 are correct. The other sentences use too many commas and periods in the wrong placements. If you read it out and pause at each comma and period, the others will sound wrong to the ear. Hope this helps! :)
If you're asking which symbol would have this effect, it would be The medical kit, because you would need to be prepared for the emergency.
1. consent
2. assembly
3. sought
4. punishment
5. mortally
6. usable
7. perfectionist
8. force
9. tangle