The answer is B) because the subject of a sentence is a person place or thing or a idea you can find the subject of a sentence once you find the verb Hope This Helps:)
A. Establishing a main idea or message
Answer:
1. 13th century
2. Department of Agriculture and Bureau of Chemistry
3. Nutrition Labeling and Education Act, In 1990, lets people know what's in their food.
Explanation:
I didn't write complete sentences so I suggested doing that with #3
because he might of commited murder!