match each main ideas with its paragraph: ( أ ) tones of cell phones everywhere.
The main idea of the paragraph that starts with "tones of cell phones everywhere" is that cell phones are ubiquitous and that their ringtones can be a source of annoyance or amusement. The paragraph discusses how cell phone ringtones have become an integral part of our lives, and how they can be used to express our individuality. It also discusses the potential downsides of cell phone ringtones, such as when they are used in inappropriate settings or when they are too loud.
Here is a summary of the main idea of the paragraph:
Cell phones are everywhere, and their ringtones are a common part of our everyday lives.
Ringtones can be used to express our individuality and to show off our musical tastes.
However, ringtones can also be a source of annoyance, especially when they are used in inappropriate settings or when they are too loud.
Therefore, the main idea of the paragraph that starts with "tones of cell phones everywhere" is (أ).