Answer:
d. the Starbucks stock option plan for employees that allows them to share the rewards of their hard work.
Explanation:
Starbucks' "Bean Stock" is a program in which eligible employees receive Bean Stock Restricted Stock Units and then, after working continuously for two years, they turn into Starbucks shares that the employee can decide to sell or keep. According to this, the answer is that Starbucks' "Bean Stock" is the Starbucks stock option plan for employees that allows them to share the rewards of their hard work.