小气道由终末细支气管到呼吸性细支气管大约14～19级支气管分支所组成，此类细支气管小于（）

A.2mm

B.5mm

C.3mm

D.4mm

E.8mm

Justices of the peace have jurisdiction over the trials of some civil suits and of criminal cases involving minor offenses.

A．supremacy

B．authority

C．guidance

D．obedience