We can infer that American lawyers ______.

A．Oral evidence was unnecessary in France because the judges and prosecutors could read.
B．When trial by ordeal was finally abandoned throughout Europe, trial by jury was introduced in Britain.
C．In the adversarial system, it is the lawyers who play the leading roles.
D．Lawyers in Britain are prepared to lie in order to win their cases.

A．questions whether the system of trial by jury can ever be completely efficient
B．suggests a number of reforms which should be made to the legal system of various countries
C．describes how the British legal system works and compares it favourably with other systems
D．compares the legal systems of a number of countries and discusses their advantages and disadvantages