I want to say The answer is B
I could be totally wrong.
The correct answer to complete the sentence above is <span>A. </span><span>whoever. The objective pronoun whoever is used when it is the subject who does the action as the verb demands it while whomever is used as an object of a verb or preposition.</span>
spending all their money to buy a new one because they lost it, and they end up finding out the original was fake. they go broke