If you think that treating a woman well means always _______ her permission for things, think again.

A．gets

B．to get

C．got

D．getting

甲驾车在某路段行驶时，与乙驾驶的车辆相刮，致使甲的车受损，甲下车对乙进行殴打，造成乙轻微伤后驾车离去。公安机关为查处此案，对甲进行传唤，甲却回避。公安机关为使甲来接受调查，将甲的汽车扣押。公安机关的扣车行为属于：( )

A．行政处罚

B．行政强制措施

C．行政强制执行

D．行政征收