Read the following context and choose the best option to answer the question.
Context: After this , I began to join more affiliate programs , and test more offers . I currently have around 15 campaigns running , and now it seems it 's only a matter of testing around until you find something that works . You will lose money though , as risk is part of the game .
Question: What may be the reason for losing money ?
Options: 
A. Spending too much money .
B. Campaigning for something that is worth it .
C. Making mistakes and taking chances .
D. Buying support from other people .


C