Final answer:
The valid criticism of classical criminology is that it assumes rational decision-making by offenders, neglecting other influential factors like social and psychological aspects that can lead to irrational criminal behaviors.
Step-by-step explanation:
A valid criticism of classical criminology is B) It assumes rational decision-making by offenders. Classical criminology posits that individuals weigh the benefits of the crime against the costs, such as the likelihood of capture and the severity of the punishment.
It operates on a cost-benefit analysis framework, where rationality dictates criminal behavior. However, this economic perspective may not always apply, as it simplistically assumes that individuals have perfect information and always act in their self-interest. In reality, social, psychological, and other factors influence criminal behavior, which may lead to irrational decisions unconcerned with potential punishment.