Final answer:
McMurdo was polite and cooperative with the policeman.
Step-by-step explanation:
The correct answer is A) McMurdo was polite and cooperative with the policeman. In the story or situation given, McMurdo interacted with the policeman in a polite and cooperative manner, which means he was respectful and willing to comply with the policeman's requests or instructions. This can be inferred from option A, which mentions that McMurdo was polite and cooperative, indicating a positive interaction between the two.