What Was the Most Significant Fact That the Neighbor Charlotte

What was the most significant fact that the neighbor Charlotte Witherspoon shared with Jenkins during her interrogation?

A) That her son was the last to see Erica.
B) The son bought her the house that she is currently living in.
C) She suspects her son may be involved in drugs.
D) Chuck Beamer had shown an unhealthy interest in Erica
E) She had not seen Erica for over a week.