1. Antoine thinks sentence 6-7 sounds choppy. What is the most effective way for him to combine them? Group of answer choices

Then, in 1957, he read an article that changed his life.

Then, in 1957, he read an article, and this article changed his life.

Then, in 1957, his life was changed by an article he read.

Then, in 1957, he read an article, it changed his life.