Some of the sentences have errors and some have none. Find out which part of a sentence has an error, and the appropriate letter (A),(B),(C) is your answer. If there is no error, (D) is the answer.
$\underset{(A)}{\underline{\text{The old woman has had the best medical facilities available/}}}$
$\underset{(B)}{\underline{\text{but she will not be cured/}}}$
$\underset{(C)}{\underline{\text{Unless she does not have a strong desire to live./}}}$
$\underset{(D)}{\underline{\text{No error}}}$