Researchers in Taiwan Have Found That Contraceptive Use Was Strongly

Researchers in Taiwan have found that contraceptive use was strongly related to the number of electrical appliances (i.e. ,toaster,fans,etc. ) in the home.What is the best explanation for this result?

A) The researchers made a mistake,and no one else would ever replicate this finding.
B) Contraceptive use causes people to purchase larger numbers of electrical appliances.
C) A third variable,such as educational level,is associated with each and produces the observed relationship.
D) Having many electrical appliances causes people to use contraceptive devices.