Despite the Difference in Price,Mark Would Go Out of His

Despite the difference in price,Mark would go out of his way to purchase donut holes at Dunkin' Donuts on his way to work even though there were donut shops within a block of his office.It can be said that Dunkin' Donuts ___________.

A) should probably lower their prices to avoid losing such a loyal customer
B) will put the competing donut shops out of business
C) price their donuts based on a cost-oriented method
D) has a strong brand loyalty from Mark
E) motivates its shoppers differently than other donut shops