What Is the Typical Outcome for Young Children Who,due to Disease

What is the typical outcome for young children who,due to disease or injury,have an entire brain hemisphere removed during a hemispherectomy?

A) The remaining hemisphere eventually takes on most of the lost hemisphere's function.
B) The children are most likely profoundly cognitively disabled.
C) The children will be able to sit, but not walk.
D) There is no change in any function immediately after the surgery, due to immediate neural plasticity.