Answer: Listening
Step-by-step explanation:
According to the given question, when Estella try to read the given text in emergency room that is given from her friend and the she immediately realize that the something went wrong.
This is best illustrating the example of listening as it is the ability of interpreting the given message and then convert in into the effective communication process.
It is one o the ability that properly understand the speaker and then immoderately interpreting the information.
Therefore, Listening is the correct answer.