Read this excerpt from Extremely Loud and Incredibly Close.One night, after what felt like a googolplex inventions, I went to Dad’s closet. We used to Greco-Roman wrestle on the floor in there, and tell hilarious jokes, and once we hung a pendulum from the ceiling and put a circle of dominoes on the floor to prove that the earth rotated.How does the narration affect Oskar’s credibility in this excerpt?
A
His Greek and Roman references emphasize his intelligence.B
His explanation of a pendulum emphasizes his maturity.C
His fond recollections emphasize his genuine sincerity.D
His description of his dad emphasizes his lack of stability.