Which one of these statements related to consolidations is false?

a. Consolidation accounting is a method of combining the financial statements of two or more companies controlled by the same owners.
b. Minority Interest is usually reported as a liability on a consolidated balance sheet.
c. Goodwill is an intangible asset that is measured in the consolidation process.
d. When a corporation owns 20% - 50% of another company’s stock, the two companies must report consolidated financial statements for the period.

I had chosen (d). Am I right? Please answer... Thanks

I choose (d). For the answer but I do not know if it is correct or not.
Does anyone else have an idea about the answer to this question.
I thought this was a help desk forum from real experts on live answers.
I noticed that my questions for the past two days have been deleted?

Thanks!