The phrase "shots in the dark" in the last paragraph means ______.

A．it believed that more questionnaires may ensure more accurate results
B．it held the record in sending out the electoral postcards with many questions
C．its prediction in 1936 was wrong by 19%
D．its forecast in 1932 turned out to be a failure

A．details such as the time were not recorded in the past
B．the Greeks had no means of recording the results
C．they are much better
D．they are much worse