In the specific recession years noted in the passage, it can be inferred that______.

A．define the economic terms used in discussion of employment
B．criticize the decisions of past administrations during recession years
C．call for the application of positive economic control policies in the year that lie ahead
D．allay current fears about increasing unemployment

A．advocate a carefully managed economy
B．prefer the employment rate to rise and fall with the value of the gross national product as a check on labor costs
C．perceive high unemployment as undesirable but unavoidable
D．contend that manipulation of the size of the labor force would have prevented recessions in the years noted