Which of the Following Explains Why Phosphorus Uptake by Plants

Which of the following explains why phosphorus uptake by plants is difficult?

A) Phosphorus is not abundant in the soils ; is bound to the minerals, and plants do not require it that much.
B) Phosphorus is not abundant in the soils , is bound to the minerals, and does not move readily toward plant roots.
C) Phosphorus is abundant in the soils but is bound to the minerals, and moves readily toward plant roots
D) Phosphorus is not abundant in the soils, is bound to the minerals, and does not move readily toward plant roots .