A. She means you need to send it in an actual e-mail. The text should be the text of an e-mail, formatted like a letter – with text centered, italicized, etc. If you simply send a e-mail saying “Hey, my query is attached in a Word doc or PDF,” then she probably won’t read it.
Bottom line: Agents hate opening unsolicted attachments. Send your work as text in the e-mail itself.