The correct answer is D. Attachment.
An attachment is a file that is sent along with an email. It can be a document, a photo, a video, or any other type of file. To attach a file to an email, you need to open the email and click on the “Attach File” button. Then, you can select the file that you want to attach.
Messenger is a messaging app that allows users to send text messages, photos, and videos to each other. Spam is unwanted email that is sent to a large number of people. Snoozed is a feature that allows you to temporarily hide an email from your inbox.
I hope this helps! Let me know if you have any other questions.