​Fashion Spell,an Apparel Store,has a Page on Facebook Through Which

Multiple Choice

​Fashion Spell,an apparel store,has a page on Facebook through which it interacts with its customers.It encourages customers to post comments about the store and give feedback.It also holds a lucky draw competition every week and the winner receives a gift voucher from Fashion Spell.Given this information,Fashion Spell uses _____ to increase its customer base.

A) social media marketing
B) ​product adaptation
C) ​contract manufacturing
D) countertrade