A． The no-watching-instructions group that had been given glucose in their lemonad
B． The no-watching-instructions group having been given sugar substitute in their lemonad
C． The mental-energy-exerting group that had been given glucose in their lemonad
D． The mental-energy-exerting group that had been given sugar substitute in their lemonad

A． People's blood-sugar level is affected by the process of reasonin
B． Whether people resort to reasoning or intuition may depend on their blood-sugar leve
C． Both reasoning and intuition are certainly affected by people's blood-sugar leve
D． It is not wise to make important decisions when one is hungr

A． people are not able to make important decisions when hungr
B． decisions made on an empty stomach may be unreasonabl
C． people are less intelligent when they are hungr
D． people are more intelligent when they are hungr