Which word could best replace either the underlined word or the phrase in the paragraph?
Our neighbor had the bad luck of falling down the stairs. She broke both wrists. Feeling terrible about her misfortune, my mother and I have been helping her with cleaning, cooking, and laundry. Our neighbor has improved but it will be another few months before she can handle things completely on her own.
A.
pleasure
B.
opportunity
C.
hardship
D.
mistake