In the following question, four alternatives are given for the Idiom/Phrase printed in bold in the sentence. Choose the alternative which best expresses the meaning of the Idiom/ Phrase as your answer.
Question
Our founder had done a Herculean task by constructing this great educational institution.
[A] a work of no worth
[B] an effortless job
[C] a work requiring very great effort
[D] a work requiring very great intelligence
Answer & Explanation
Answer: Option [C]