How are the main characters in the texts different? A.
Matilda vows to learn from her mistakes, while Snake does not.
B.
Snake blames others for his mistakes, while Matilda does not.
C.
Snake's family helps him solve his problem, while Matilda's family does not.
D.
Matilda's problems are a result of bad choices, while Snake's are not.

matilda is a positive person and accepts her mistake while snake does not and blames other for his mistake maybe to get rid of the guiltyness

to eliminate ambiguous remote or broad reference it is necessary to focus on anaphoric reference. by definition "anaphoric reference means that a word in a text refers back to other ideas in the text for its meaning." the references should be clear and leave no room for ambiguity.

in the first case the pronoun it probably refers to the car but it has not been mentioned before so we should replace it for the car. in doing so the statement becomes clear.

in sentence number   two   the pronoun he refers to charles dickens the author. yet, the first half of the sentence is about the book a tale of two cities. to repair this it would be better to rephrase the first half : after i read   a tale of two cities by dickens, he so as to remove the remote reference.