【单选题】In a glucose tolerance test, an individual in the basal metabolic state ingests a large amount of glucose. If the individual is normal, this ingestion should result in which one of the following?
A.
An enhanced glycogen synthase activity in the liver
B.
An increased ratio of glycogen phosphorylase a to glycogen phosphorylase b in the liver
C.
An increased rate of lactate formation by red blood cells