Final answer:
Wadsworth is warning about the arrival of the police, indicating urgency and the need for action among the characters.
Step-by-step explanation:
In the context provided, where Wadsworth exclaims, 'The police are coming in less than an hour!' the best interpretation is that the Wadsworth is warning about the police.
Hence, the correct answer would be a) Wadsworth warns about the police. This suggests that a sense of urgency and possibly the need for the characters to prepare or to hide something before the police arrive.
There is no indication that the Wadsworth is calling, dismissing, or welcoming the police himself.