Answer:
b. Writing an uncovered put option
Explanation:
Buying a put option: usually do no require meeting the locate requirement for short sales, requires a smaller capital commitment and it has a lower loss potential.
Writing an uncovered put option comprises of countless real/potential losses as the stock price rises.
A writer of a call option usually prefer the value of the underlying asset to decrease, and a buyer of a put option will want the value of the underlying asset to decrease. Buying a put has a lower dollar-loss potential.