Final answer:
The correct answer is option b, Wadsworth asks for the key. Wadsworth asks Mr. Green to check Mr. Boddy's pockets for the key to the briefcase containing the evidence.
Step-by-step explanation:
According to the given text, the character Wadsworth is asking Mr. Green to check Mr. Boddy's pockets for the key to his briefcase containing the evidence of their crimes. By checking the pockets, Wadsworth hopes to obtain the key and destroy the evidence. Full context is needed to provide more information.
Therefore, the correct option is b) Wadsworth asks for the key.