I Read the following passage, and choose the best answer t o the following question. Every student needs a place to study. Some students like to study in the quite atmosphere of a library. Most school libraries have large study tables with many chairs. They also have individual study booths called carrels. A carrel is a small table with “walls” around three sides. A carrel is for one person, so there is only one chair at each carrel. Other students prefer to study in their own rooms at home or in a dormitory. In their rooms, these students have a desk, some bookshelves, and perhaps a study lamp to provide good lightning. All students need comfortable chairs because they spend many hours sitting. Students have different ideas about the best atmosphere for studying. Some students prefer one kind of lighting, one kind of table or desk, and one kind of chair. Other students prefer a different kind of lighting and furniture. Some students listen to music or study in groups. Other students need to be alone in a quiet room. In other words, there is not one best atmosphere for studying: There is a “best” atmosphere for each other individual student. “There is not one best atmosphere for studying.” This sentence means: