According to the passage ....

A) about 40% of the men who tried to find gold in the Klondike became rich.
B) more than 60,000 of the people trying to reach the Klondike failed on the way.
C) nearly everyone who reached the Klondike was able to find some gold.
D) each of the 40,000 men had to walk about 1500 kilometres just to carry 25 kilos of stores.