Which of the following statements is true according to the passage?
选项：

A:You can give your social security number, bank account number, or other such information when shopping online.
B:Irresponsible web sites will give you a way to choose not to take part.
C:A privacy statement tells you how and why a business is collecting your information, and how it plans to use it.
D:No sites assume the right to share your information and check the box.