Parent, a domestic corporation, owns 100% of Block, a foreign corporation, and Chip, a domestic corporation. Parent

Question:

Parent, a domestic corporation, owns 100% of Block, a foreign corporation, and Chip, a domestic corporation. Parent also owns 45% of Trial, a domestic corporation.
Parent receives no distributions from any of these corporations. Which of these entities' taxable income is included in Parent's current-year Form 1120, U.S. income tax return? Parent consolidates all eligible subsidiaries for Federal income tax purposes?