Pls answer!! Which sentence from the article shows Alexandra Richardson's MAIN opinion about processed foods?
1. A "The brain is the most fat-rich organ we have," notes Alexandra Richardson, an expert in how diet affects the brain and a researcher at the University of Oxford in England.
2. B While scientists don't quite know why, the outcome is a good thing.
3.C In other words, better connections help us weigh risks, make informed decisions on how to act, and curb our impulses.
4. D Kids need to understand that they tend to be rich both in calories and in "concoctions of chemicals that do not support human health – physical or mental."​