When Girls Experience Sexual Abuse During Childhood,their Menarche Begins Earlier

When girls experience sexual abuse during childhood,their menarche begins earlier and they engage in sexual activity at an earlier age.This has been hypothesized to be because __________.

A) females shift their reproductive strategy to a slow,high-investment style after experiencing harsh early environments
B) men who are absent parents pass this tendency toward a fast,low-investment reproductive style onto their daughters genetically
C) childhood sexual abuse increases the probability of reproduction
D) all of the above