Critical Reasoning (CR) | In Bangladesh corruption is a common phenomenon. We have no research

In Bangladesh corruption is a common phenomenon. We have no research findings about why people are involved in corruption. Some might say that the cause of corruption is poverty or lack of proper system or lack of religious education. However, no one can confidently say that this is the only cause of corruption.

What can be inferred from the above statements?

A. We are not sure about the causes of corruption, although we have some guess about them.
B. We have no idea about the causes of corruption.
C.
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