Which excerpt from "On Becoming an Inventor" by Dean Kamen expresses a fact rather than an opinion?

Kamen believes it may change the way people move around in crowded cities . . .
I took the pictures, though somewhat reluctantly. I didn't like the blood.
At college I was struck by how smart the teachers were—in electronics, in physics, and in mathematics.
I didn't officially graduate from Worcester Polytechnic Institute until years later when I was awarded their honorary Ph. D.

Well, Your answer will be is I didn't officially graduate from Worcester Polytechnic Institute until years later when I was awarded their honorary Ph.D. Because, Even though he didn't passes, He found that at college I could get help from my teachers with solving business problems and in learning new techniques for designing new things.

Good Luck!

It is actually that he does not like blood that's not everyone

Explanation:

you have to either add a photo or put them answers in with the questions