7. (1 pt.) Which of these best describes this disaccharide, sucrose? A. 1,4-linked a-D-sugar B. 1,4-linked -D-sugar C. 1,4-linked a-L-sugar D. 1,4-linked -L-sugar 7. (1 pt.) Which of these best describes this disaccharide, sucrose? A. 1,4-linked a-D-sugar B. 1,4-linked -D-sugar C. 1,4-linked a-L-sugar D. 1,4-linked -L-sugar