A. The gingival zenith is at the midpoint of each of the maxillary six anteriors
B. Distal to the long access of the cuspids and along the long access of the centrals and laterals
C. Sistal to the long axis of the centrals and cuspids and along the long axis of the laterals
D. The gingival zenith is distal to the long axis of all maxillary six anterior teeth