单选题 · 选择一个答案
In roadside traffic enforcement, which of these people can lawfully require a driver to cooperate with alcohol testing?
道路交通执法中，以下哪类人员可依法要求驾驶员配合酒精检测？
A police officer may lawfully require alcohol testing when the statutory conditions apply.
警员可在具备法定条件时要求驾驶员配合酒精检测。
阅读相关知识
Blood sampling has separate legal procedures and may involve doctors or other authorised people. This does not mean police alone handle every blood sample.
血样须按法定程序采集；医生或其他获准人员也可能依法要求或采集血样。不能将此题理解为任何血样都只能由警员处理。