From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences: ........pain has be...

Answer Details

The best option to complete the sentence is "Much". "Much" is used to modify uncountable nouns such as "pain" which means a lot of effort was put in to make the party a success. So the sentence becomes "Much pain has been taken to make the party a success".