A mother notices that all of her young children have come back from the park
 soaking wet. She looks outside and notices that it is raining lightly. She
 concludes that her children must have gotten wet because of the rain. Which
 of the following, if true, would suggest that the rain and her children's wet
 clothes are causally related rather than simply correlated?
 OA. The children had been spraying one another with a hose before
 the rain started.
 B. The children were playing at a park with a public pool they enjoy
 swimming in.
 C. The children continued playing at the park for hours after the rain
 started.
 D. The children often have water balloon fights with friends at the
 park.