Two basic types of pruning are heading-back and thinning-out. Which of the following is true about these pruning methods?

• A. Thinning cuts leave behind a good portion of the stem and many axillary buds.
• B. Thinning cuts are made close to a main branch or ground and few axillary buds are left.
• C. Heading cuts usually remove entire branches and leave no buds.
• D. Heading cuts remove a portion of the stem and only terminal buds are left.