The author's attitude toward chemists' usage of simple reagent designs can best be described as

A． Domestic work and apparel manufacturing is increasingly lucrative.
B． The educational requirements in the public sector are on the increase.
C． The immigrant section of the population is increasing its educational level.
D． The private sector is shrinking at a faster rate than the public sector.
E． Government employment has become increasingly more competitive.

A． Private-sector work involves a lesser degree of immigrant competition than public-sector work.
B． A growing educational level has assisted African Americans find work in the private-sector more than it has done so in the public-sector.
C． Immigrant population gains have benefited workers in the public-sector more than they have workers in the private-sector.
D． Private-sector work often requires less in the way of educational credentials than public-sector work.
E． The private-sector tends to contain stronger ethnic networks than the public sector.