To answer this question, you need to understand the difference between a GET and a POST request in the context of web communication.
Let's go through each option to understand why it is correct or incorrect:
Option A) It does not matter, the web server will treat all GET requests as POST requests - This option is incorrect. GET and POST requests are distinct and have different purposes. The web server does not treat all GET requests as POST requests.
Option B) The information in a POST request cannot be manipulated. It is possible to change a GET request - This option is incorrect. Both GET and POST requests can be manipulated. It is possible to change the information in both types of requests.
Option C) A GET request is sent when requesting information; A POST request is sent when sending information - This option is partially correct. A GET request is indeed sent when requesting information, such as retrieving data from a server. However, a POST request is not necessarily sent when sending information. It can also be used for other purposes like submitting data to a server.
Option D) The data is sent in the body of the POST request and in the URL in a GET request - This option is correct. In a GET request, the data is sent in the URL as query parameters. These query parameters are visible in the URL itself. In contrast, in a POST request, the data is sent in the body of the request, which is not visible in the URL.
Based on the explanations above, the correct answer is option D.