Over the past 50 years or so, the:
a. 
male employmentpopulation ratio always has been rising. 

b. 
female employmentpopulation ratio generally has been falling. 

c. 
male employmentpopulation ratio generally has been rising. 

d. 
female employmentpopulation ratio generally has been rising. 

e. 
None of these answers is correct. 
Over the past 50 years or so, the female employment  population ratio generally has been rising.
Female employment  population ratio is the ratio of total employed female divided by total number of female of working age.
So, the correct answer is an option (d).
Over the past 50 years or so, the: a. male employmentpopulation ratio always has been rising....
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