Multi-choice problem: Continue writing the next sentence in this paragraph:

How to avoid getting scammed while selling online
Avoid selling to buyers who offer to overpay.
Many fraudulent buyers will bid over way over the item's worth in the last minute of the bids. Do not sell your item to a buyer if you suspect that it is over the item you are selling's worth.

pick from the following.
(a). Scammers selling fraudulent goods should also avoid getting scammed if you believe they might be counterfeit goods. Avoid using online auction services when you are selling your product to an overcharge..
(b). Scammers will make a bid over the $500 , 000 worth of the item they are bidding for. Do not sell to other buyers through a scam..
(c). To learn more about the bidding process, click here Only communicate with the buyer through the website that you are selling on. Do not answer to any text messages, phone calls or emails that are not through the website on which you are selling the item..
(d). If you already make a profit and have already taken advantage of the bottom line, consider selling your item as soon as possible. However, if you are selling to a seller that you have built up a client base with as a result of the online auction, consider selling to them..
(c).