SAT English Practice Question

The text describes a study of the effects of meditation on the brain. According to the text, the scientists who conducted the study found that meditation led to a change in the brain's structure. How does this finding support the text’s claim that meditation can have a positive effect on well-being?

1. A.the ability of meditation to reduce stress and anxiety.
2. B.the ability of meditation to improve focus and concentration.
3. C.the ability of meditation to increase blood flow to the brain.
4. D.the ability of meditation to change the structure of the brain.