Question

topic: vegetables are good for you.
choose a reason that backs your stance on the topic.
reason 1 ? reason 2 reason 3
they are often mistreated.
vegetables lower your blood pressure.
it makes you feel groggy.

Explanation:

The topic is "Vegetables are good for you." The reason "Vegetables lower your blood pressure" directly supports the idea that vegetables have a positive health - related impact (which is what being "good for you" implies). The other options: "They are often mistreated" is not relevant to the health - benefit aspect of vegetables being good for you, and "It makes you feel groggy" is a negative statement that does not support the topic.

Answer:

Vegetables lower your blood pressure.