Answer:
Lars Kristofferson, CEO of Kristoff Markets, recently announced his plan to open a small chain of affordable health food stores.
Explanation:
This choice eliminates the redundancy by taking the origianl first sentence and turing it into a desrpitive aside. This makes the sentece flow more smoothly. As well becoming more concise.
I think your answer should be D
By repeating what you learnt to someone else helps, because you are saying out loud and can make you understand it deeper and things that did not make sense make sense again