Which of the following may we conclude, based on the test results?

(a) There is convincing evidence of an association between wiring configuration and the chance that a child will develop some form of cancer.

(b) HCC either causes cancer directly or is a major contributing factor to the development of cancer in children.

(c) Leukemia is the most common type of cancer among children.

(d) There is not convincing evidence of an association between wiring configuration and the type of cancer that caused the deaths of children in the study.

(e) There is convincing evidence that HCC does not cause cancer in children.