Which of the Following Is a Similarity of a Flip-Over

Which of the following is a similarity of a flip-over rights plan and a flip-in rights plans with respect to a target company?

A) Both help an acquiring firm in a smooth, cost-efficient takeover of the target firm.
B) Both allow the target company's shareholders to convert their shares for a greater number of debt securities of the target company.
C) Both make it expensive for an acquiring firm to take over the target corporation.
D) Both allow the target company's shareholders to convert their shares for a greater number of shares of the acquiring company.