Heat oven to 400°F. Generously grease 8x4-inch loaf pan (do not use dark-coated pan). In small shallow bowl, combine sugar and cinnamon; mix well.
Separate dough into 10 biscuits; cut each into quarters. Dip each quarter into melted margarine; roll in sugar-cinnamon mixture. Arrange in greased loaf pan.
Bake at 400°F. for 19 to 27 minutes. Cool 2 minutes. Loosen edges; remove from pan. Place on serving plate. Serve warm.