Which of the Following Statements Is TRUE Regarding Pyruvate and Glucose

Which of the following statements is TRUE regarding pyruvate and glucose?

A) Glucose easily passes in and out of mitochondria, and can often be found in the mitochondrial matrix.
B) Pyruvate is typically "trapped" in the intermembrane space of mitochondria, where it is oxidized to form acetyl-CoA.
C) Glucose and pyruvate are remarkably similar in structure, with both molecules possessing a ring shape.
D) Both glucose and pyruvate can feed directly into the citric acid cycle, although acetyl-CoA is the preferred reactant for this process.
E) None of the other answer options is correct.