Which of the following strategies grabs the customers attention while shopping

Some strategies to grab the customer's attention while they are shopping are:

Use retail sales training so your crew can sell rather than clerk your merchandise. that is, offer promotions, discounts, 2 x 1 on special days. Place the "flashy" and on trend items on top or within easy reach.Advertise the items on social networksBe attentive, polite, do not exagerate, but be there whenever the customer needs you. Outstanding customer's service.Make a great window displayAt the end of the month, make a sale

Iam pretty sure the answer is c