Which One of the Following Statements Would Justify This Conclusion

Multiple Choice

Which one of the following statements would justify this conclusion?

A) Most of the subsidiary's sales and purchases were with companies in the U.S.
B) Dilty's functional currency is the dollar and Dilty is the parent.
C) Dilty's other subsidiaries all had the dollar as their functional currency.
D) Generally accepted accounting principles require that the subsidiary's functional currency must be the dollar if consolidated financial statements are to be prepared.
E) Dilty is located in the U.S.