The recognized methods for consolidating the financial reports of an MNC are( )。 A: short/long term method, current/future method, flexible/inflexible method, and economic/noneconomic method. B: current/noncurrent method, monetary/nonmonetary method, short/long term method, and current/future method. C: current/noncurrent method, monetary/nonmonetary method, temporal method, and current rate method. D: temporal method, current rate method, flexible/inflexible method, and economic/noneconomic method.