题目内容：
Questions refer to the following advertisement。Great Bargains at McFarland's Furniture!
Come on down to McFarland's Furniture Store and take ____16____ of our special offer.When you spend $500 or more on any of our fantastic furniture or home appliance items, we'll give you a 15% discount!
This deal is valid on all products in our furniture and home appliance inventories, including couches, dining tables, beds and mattresses, office furniture, televisions, and more.You won't find a better selection of living room, dining room, bedroom, and office sets at such a great bargain ____17____ guaranteed!
McFarland's Furniture Store was voted "Best Value in Home Shopping" by consumers in the South Fairchild region.We provide world-class customer service at every step, from product selection to checkout to our free ____18____ service.That's right; we bring your order right to your home at no charge!And now, spend just $500 and you'll save an additional 15%。
Remember, this incredible offer won't last long, so don't delay.Visit McFarland's Furniture Store today!
_________ A．Benefit
B．Premium
C．advantage
D．interest
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