When unearned revenue is received

A. liabilities are increased, assets are increased, and cash flows from operating activities are increased.

B. liabilities and assets are both increased, and there is no change on the statement of cash flows.

C. assets and stockholders' equity are both increased, and cash flows from operating activities is increased.

D. assets and revenue are both increased, and cash flows from operating activities are increased.

E. None of the above are true.