Nisha invested a lot of money in real estate a few years ago. Now that she plans to move to another city, she’s been trying to find a buyer for her property. It is taking her a lot longer than expected to find a buyer. What type of risk is Nisha facing as an investor?

the answer would be c   i believe thats the most reasonable answer

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.

you did not put the article. so i cannot answer the question.