10. The last sentence (the highlighted sentence) can best be described as referring to:
Your Answer is
Correct Answer is G
Explanation
The last paragraph is Edison's language description, using the subjunctive mood, would have had, would have had to pinch myself, Edison excitedly imagined that if it was him, he might pinch himself excitedly, because he didn't believe that he would get Such a good opportunity.
Item G: "A virtual opportunity that the protagonist of the article wants", Edison did not get it, but just imagined his own excitement if he got it.
FGJ Item: Wrong, because it wasn't Edison's real opportunity, it was just his imagination.