Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).
They enjoyed thoroughly at the party.
They
enjoyed thoroughly
at the party.
No error.
Correct answer is B
thoroughly enjoyed themselves