The first sentence in the passage suggests that the observers mentioned in line 1 would be most likely to predict which of the following

A．that the number of new temporary positions would decline as fewer workers who preferred temporary employment entered the workforce
B．that the total number of temporary positions would increase as fewer workers were able to find permanent positions
C．that employers would have less control over the terms of workers' employment as workers in creased their bargaining strength
D．that the number of workers taking temporary positions would increase as more workers in any given demographic group entered the workforce