In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the No error option.
She has had the best medical facilities available (A) / but she will not be cured (B) / unless she does not have a strong desire to live (C) / No error (D)
She has had the best medical facilities available
but she will not be cured
unless she does not have a strong desire to live
unless she does not have a strong desire to live
C.
unless she does not have a strong desire to live
'Unless is not followed by 'not' because it gives negative sentence. So, here 'not' is superfluous.