From a customer's email to a bookstore: 'I was very pleased with the wide selection of books at your new branch. However, I noticed that several books were misplaced, and it took me a long time to find the fantasy section. The staff were friendly, but the organization could definitely be improved.'
What specific issue did the customer raise regarding the bookstore?
A) The staff were unfriendly.
B) The prices were too high.
C) The book selection was poor.
D) The books were poorly organized.
E) The store was too crowded.