Use the Following Figure to Answer the Questions Below

Use the following figure to answer the questions below.

The citric acid cycle.
-Which of the following is a likely reason that newborn infants have increased amounts of brown fat?

A) They are unlikely to consume a lot of glucose.
B) Their nervous system is not fully developed and does not respond quickly to cold temperatures.
C) They have a higher percentage of fat than children.
D) There is a significant amount of pyruvate in breast milk.
E) Newborns are less likely to use ATP as an energy source compared to children.