<h2>
Answer:</h2>
Option D is the correct answer.
Step-by-step explanation:
Given is :
Last year, the results of the surveys showed that of the patients who had a poor hospital experience, 90% had post-surgical complications.
Most patients who have a poor hospital experience also have post-surgical complications.
This is because, 90% is the large percentage of a population, when it says 'most people'. This can be summarized as every 9 out of 10 patients had poor hospital experience as well as post surgical complications.
Therefore, option D is the right answer.