______ produced the first modem English dictionary.

A．It defined easy words as well as hard ones.
B．It was nothing more than a list of difficult words.
C．It presented good sentences to show how each word was actually used in speech and in writing.
D．It was the greatest improvement in the quality of dictionaries.

A．Some of their prisoners are allowed to study or work outside prisons.
B．Most of their prisoners are expected to work.
C．Their prisoners are often sent to special centers for skill training.
D．Their prisoners are allowed freedom to visit their families.