A—
This sentence pretty much sums up what the writer of the passage wants to talk about. The other ones do not fit with the sentence “water is one factor that is necessary for growth” and do not fit the idea of the passage, which is what factors affect plant growth.
The plot is the answer. hope this helps
Good start. make sure when someone is speaking put the question mark in the quotations or any other puncuation in the quotations. check over commas. Ex. he said, "hello." check spelling. check puncuation. over all good story. great job.