Which of the Following Statements Is Correct

Which of the following statements is correct?

A) Under International Financial Reporting Standards (IFRS) , consolidated financial statements are required when there is a controlling interest.
B) Under Accounting Standards for Private Enterprises (ASPE) , consolidated financial statements are required when there is a controlling interest.
C) Under International Financial Reporting Standards (IFRS) , a subsidiary's results can be accounted for using the equity method.
D) When there is a controlling interest, consolidation is preferable but not required under both International Financial Reporting Standards (IFRS) and Accounting Standards for Private Enterprises (ASPE) .