The correct option is D.
Twitter is an online news and social networking website, where communication takes place in form of tweets. Tweets can only be 280 characters long.
For those people who are using twitter, a direct message can be used to send a private message to someone about their tweet or other relevant issues. In order to be able to receive direct messages from anyone, one has to has to activate the option of receiving direct messages from anyone.
Marigold was a psychologist who loved to study the abilities of human memory in remembrance of important events in her life. He preferred to take the test developed in it, where on a card, she wrote an event importing, and behind it, the date and level of importance. Every time she performed these tests, she needed to think about her ups and downs, and that makes her a bit depressed.
Tectonic plates are apart of Earths crust?