If You Were Able to Walk into an Opening Cut

If you were able to walk into an opening cut into the center of a large redwood tree, when you exited from the middle of the trunk (stem) outward, you would cross, in order, ________.

A) the annual rings, new xylem, vascular cambium, phloem, and bark
B) the secondary xylem, cork cambium, phloem, and periderm
C) the vascular cambium, oldest xylem, and newest xylem
D) the secondary xylem, secondary phloem, and vascular cambium