Which of the following statements is NOT true?

[A] Today you can get calcium without eating any high-fat or high-calorie food by choosing skim milk or low-fat yogurt.

[B] Calcium plays an important role in the movement of protein and nutrients inside cells.

[C] You can rely on pills instead of a calcium-rich diet to take enough calcium.

[D] If you want to absorb calcium, you should expose yourself to the sun's rays.