Although the police (are) given considerable authority by society to enforce (it’s) laws, they get a relatively low salary as compared with (that) of other occupational groups which have much (fewer) authority.

A．The year’s harvest was a dismal failure.
B．The bounteous harvest pleased everyone.
C．The land could have yielded a larger harvest.
D．That year’s crop set a new recor

A．make no real efforts
B．fail to go at a job
C．show a complete lack of confidence
D．all of the above