For Years Blyth Industries Averaged About $2 Million Per Year

For years Blyth Industries averaged about $2 million per year manufacturing and selling candles for religious purchases. The company then recognized the market for candles as home accessories and increased the company's sales to $500 million annually. By identifying the growing popularity of candles as an integral part of many home decors, it recognized a(n) :

A) strength.
B) opportunity.
C) tactic.
D) strategic vision.
E) strategy