Final answer:
A) Elizabeth is shocked and disapproving when Charlotte reveals her engagement to Mr. Collins because Elizabeth values marriage based on mutual respect and affection.
Step-by-step explanation:
When Charlotte informs Elizabeth of her plans to marry Mr. Collins, A) Elizabeth is shocked and disapproving. Elizabeth's reaction is one of disbelief and disagreement, as she finds Mr. Collins to be a ridiculous suitor and had herself previously rejected his proposal.
Her response reflects her values and her understanding of marriage as more than just a social contract, but also a partnership based on mutual respect and affection.