Which of the Following Is/aretrue

Which of the following is/aretrue?

A) U.S.GAAP and IFRS allow firms to choose whether to designate a particular derivative as a hedge, and therefore eligible for hedge accounting.
B) Firms remeasure derivatives not designated as a hedge to fair value at every balance sheet date and include changes in fair value in net income.
C) For a derivative designated as a hedge, firms must further designate it as hedging the risk of a change in fair value (fair value hedges) or a change in cash flows (cash flow hedges) .
D) all of the above
E) none of the above