Of adoptees whose biological mothers had schizophrenia and who were raised in disturbed family environments, 36.8% were likely to develop schizophrenia; of adoptees whose mothers did not have schizophrenia and who were raised in disturbed family environments, 5.3% were likely to develop schizophrenia. what is the most appropriate conclusion of these results?

a. genetic factors are most important to determining whether a person is likely to develop schizophrenia.

b. environmental factors are most important to determining whether a person is likely to develop schizophrenia.

c. not enough information is provided in order to make a conclusion about environmental versus genetic contributions to schizophrenia.

d. environmental factors and genetic factors interact to determine whether a person is likely to develop schizophrenia.