Which of the Following Best Describes a Pyramid Structure

Which of the following best describes a pyramid structure?

A) an investor owns less than 50% of a company,and this company owns less than 50% of another company
B) an investor owns more than 50% of a company,and this company owns less than 50% of another company
C) an investor owns more than 50% of a company,and this company owns more than 50% of another company
D) an investor owns less than 50% of a company,and this company owns more than 50% of another company
E) an investor owns less than 50% of a company,and this company owns 100% of another company