Which of the Following Is Considered a Signs That a Toddler

Which of the following is considered a signs that a toddler is ready to begin toilet training?

A) the ability to thoroughly wipe/cleanse themselves after urination or elimination
B) staying dry at least 4 hours at a time during the day
C) communicating, through facial expressions or words, that urination or elimination is about to occur
D) the child has reached 30 months of age