Answer:
D. This medium of communication makes use of short messaging services to provide quick updates
For some reason, it didn’t let me type an answer.
Basic is to luxurious as common is to unique.
"Et al" would be the Latin phrase that is used with the primary author's name when a book has more than three authors, the reason why this Latin phrase is used is because this means "and others" that refers to the other authors that wrote the book.
