Which choice best describes the main purpose of the text? | Verbal SAT Question

The following text is from Hope Jahren’s 2016 memoir Lab Girl.

The author, a scientist, discusses her childhood in a rural part of the United States.

My strongest memory of our garden is not how it smelled, or even looked, but how it sounded. It might strike you as fantastic, but you really can hear plants growing in the Midwest. At its peak, sweet corn grows a whole inch every single day and as the layers of husk shift slightly to accommodate this expansion, you can hear it as a low continuous rustle if you stand inside the rows of a cornfield on a perfectly still August day.

Which choice best describes the main purpose of the text?

To consider how people’s reactions to a common experience are different from the author’s own reaction

To contrast a steady aspect of the author’s life with the perpetual changes in her environment

To describe a natural phenomenon that may seem implausible to others but is deeply familiar to the author

To discuss different impressions the author has retained of the area where she grew up