A （） is a legal practitioner who traditionally deals with most of the legal matters in some jurisdictions.

Barristers' tasks include taking cases in superior courts and （）, drafting legal pleadings, researching the philosophy, hypothesis and history of law, and giving expert legal opinions.
A.jury
B.tribunal
C.inquisitorial system
D.jurisdictions

A.普通碳素结构钢
B.优质碳素结构钢
C.普通低合金结构钢
D.普通中合金钢