A hundred year old tree which shows well marked annual rings in its trunk will have

• A. An irregular number of annual rings which may increase or decreaseall along the length of the stem
• B. More than hundred annual rings at the base and only about 50 rings at the apex
• C. Only about a hundred annual rings at the base and an uniformly decreasing number of annual rings towards the apex
• D. The same number of annual rings from the base of its trunk to its apex