Answer: I think the best bet for this would be answer A, I’m not entirely sure though. Just going off my knowledge from high school ahah.
To infer is to assume an action. you can infer she lives in Australia (south of the equator the months are opposite) you can infer she was panicked/ excited (heart thudding) you can infer she is wealthy (HER bag of jewels suggests she did not steal it)
A good reason to use it would be to add emphasis
