The researchers sought to determine if rest periods would reduce worker __________ and therefore contribute to increased output across the day.

A．borrow as much money as they can
B．make certain everybody saves money
C．raise money to finance new developments
D．make certain everybody lends money to them

A．look for other people to borrow money from
B．put their shares in the company back on the market
C．transfer their shares to a more successful company
D．ask another company to obtain their money for them