It should be D because it showing kind of negative message
An adjective phrase connects to a noun
An adverb phrase connects to a verb.
1. at soccer.
Adjective Phrase : at what?
soccer is a noun
So I THINK it's an adjective phrase.
Adjective because the clause in parenthesis modifies the word picture.
Answer:
Galton attempted to mathematize the work done by his famous cousin <u>Darwin.</u>
Galton’s study enlisted the help of his friends to grow <u>sweet peas</u>.
His study lead to the mathematical notion of <u>regression</u>.