Which sentence might be part of an interior monologue?

Emma, in good spirits too, from the amusement afforded her mind by the expectation of Mr. Frank Churchill, was willing to forget his late improprieties.
(from Emma by Jane Austen)

"So scrupulous for others," he continued, "and yet so careless for herself! She wanted me to nurse my cold by staying at home to-day.
(from Emma by Jane Austen)

"My name is Kenge," he said; "you may remember it, my child; Kenge and Carboy, Lincoln's Inn."
(from Bleak House by Charles wingspanens)

It touches me nearly now, to recollect how eager I was to leave my happy home; to think how little I suspected what I did leave forever.
(from David Copperfield by Charles wingspanens)

Question

Which sentence might be part of an interior monologue?

Emma, in good spirits too, from the amusement afforded her mind by the expectation of Mr. Frank Churchill, was willing to forget his late improprieties.
    (from Emma by Jane Austen)

"So scrupulous for others," he continued, "and yet so careless for herself! She wanted me to nurse my cold by staying at home to-day.
    (from Emma by Jane Austen)

"My name is Kenge," he said; "you may remember it, my child; Kenge and Carboy, Lincoln's Inn."
    (from Bleak House by Charles wingspanens)

It touches me nearly now, to recollect how eager I was to leave my happy home; to think how little I suspected what I did leave forever.
    (from David Copperfield by Charles wingspanens)