bad judgment or bad luck?

Cavendish teams (IMP), vul vs not.
South deals.
South holds.
x
AK10x
KQ10x
AJxx
The system includes 4 card majors but not with this hand:
1D    (2S)  pass  pass
dbl   pass  3C    pass
?

Under each of these four scenarios, is it bad judgment or bad luck?

A. You, South, bid but pass was the winner.
B. You, South, pass but bidding was the winner.
C. Your partner, South, bid but pass was the winner.
D. Your partner, South, passed but bidding was the winner.

Charles