"To be or not to be" was the dilemma of Hamlet.

Answer: Option C

Question : a sentence worded or expressed so as to elicit information.
Obsession : the state of being obsessed with someone or something.
Problem : a matter or situation regarded as unwelcome or harmful and needing to be dealt with and overcome.
Helplessness : inability to defend oneself or to act effectively.
Dilemma : a situation in which a difficult choice has to be made between two or more alternatives, especially ones that are equally undesirable.

Synonym of Dilemma is Problem