It can be inferred that the option that is an opinion is: "Modotti was a negative influence on Frida Kahlo." (Option D)
An opinion is an assertion that is not a statement of fact. The assertion in option D is not stated or insinuated in the text, hence it is an opinion.
Thus, the correct answer is Option D.
Learn more about Opinions at;
https://brainly.com/question/8048490
#SPJ1