She was always smiling , always happy , for no apparent reason . laughing even when no one was making jokes , just loving life so much . I envied her .

Based on the preceding passage, choose your answer for question Why would I envy someone for smiling with no apparent reason ?
Pick from:
A). She is a bad humored person who is strong .;
B). None of the above choices .;
C). She has a good world view and mood and is well liked .;
D). She has a mental disorder .;
The answer is:
C).