The Smiths Recently Adopted Two Unrelated Children,John and Emily

The Smiths recently adopted two unrelated children,John and Emily.Both children were raised in orphanages.Emily was raised in an upscale orphanage with good access to educational materials and programs.John was raised in a more deprived environment.After their adoption,Mrs.Smith,who is a teacher,spends several hours each day with the children,interacting with and reading to them.Which of the following changes might be most expected to see in John's IQ and Emily's IQ as a result of living with the Smiths?

A) Neither John nor Emily will show increases on IQ tests.
B) Both John and Emily will show increases on IQ tests.
C) Emily will show an increase on IQ tests,but John will not.
D) John will show an increase on IQ tests,but Emily will not.