Pick out the word whose underlined and bold part is pronounced differently from that of the other words

1. Pick out the word whose underlined and bold part is pronounced differently from that of the other words.
1. 
A. noon  B. soon  C. moon  D. neighborhood (oo);
2. 
A. lucky  B. muddy  C. dusty  D. community (u);
3.
A. weight  B.neighbor  C. eight D. height (ei);
4. 
A. discount  B. parcel  C. resident  D. selection  (s);
5. 
A. action  B. add  C. absent  D. as (a);