Which Statement Does NOT Accurately Describe the Findings from Adoption

Which statement does NOT accurately describe the findings from adoption studies and IQ

A)  Adopted children show some resemblance to their foster parents in IQ. 
B)  Siblings reared together are more similar in IQ than siblings reared apart. 
C)  Entirely unrelated children who are raised in the same home have no similarities in IQ. 
D)  Research with adopted children provides useful evidence about the impact of experience as well as heredity.