IFRS Require Which of the Following That Is Not Required

Multiple Choice

IFRS require which of the following that is not required by GAAP?

A) Detachable warrants must be reported separately.
B) Liabilities and equity valuation of a compound instrument must be combined and reported as a simple value.
C) Convertible debt must contain a separate valuation for both the debt and the option.
D) If an impairment loss increases, the amount must be reversed.