Excess Water Left from the Etching Procedure Is Removed by Gentle

Multiple Choice

Excess water left from the etching procedure is removed by gentle drying with air:

A) until the dentin is bone dry.
B) but the dentin is left moist so that it glistens.
C) but the dentin should be left wet with etchant for bonding.
D) until a puddle of water remains in the bottom of the cavity preparation.