Which of the Following Describes the Critical Role That ATP

Which of the following describes the critical role that ATP plays in cellular metabolism?

A) The terminal phosphate group of ATP is attached by a particularly strong covalent bond that releases extra energy when broken.
B) It is one of the four building blocks for RNA synthesis.
C) Hydrolysis of ATP provides energy to drive exergonic reactions in the cell.
D) ATP serves as an energy shuttle in the cell, coupling exergonic and endergonic reactions.