Which statement best summarizes this excerpt from Leo Tolstoy’s The Death of Ivan Ilyich?

And in imagination he began to recall the best moments of his pleasant life. But strange to say none of those best moments of his pleasant life now seemed at all what they had then seemed—none of them except the first recollections of childhood. There, in childhood, there had been something really pleasant with which it would be possible to live if it could return. But the child who had experienced that happiness existed no longer, it was like a reminiscence of somebody else.

Ivan Ilyich couldn’t recall the days he spent as a child.

Ivan Ilyich could recall pleasant days only in his childhood.

Ivan Ilyich is thinking of someone’s pleasant childhood.

Ivan Ilyich had a pleasant adult life but an unremarkable childhood.

The summary of the excerpt was that Ivan Ilyich could not really placed most of his best moment in life to that of his pleasant childhood experience in which he had wished he could return to experienced such life ones again, but now thinks his kind of person might not experienced such kind of childhood happiness again if he had the chance ones more.