Jerry and Jane Are 10-Year-Old Twins

Jerry and Jane are 10-year-old twins. They have performed about the same in all school subjects up to the present time. It would be reasonably safe to predict that

A) Jerry has a higher IQ than Jane and will shortly begin to outperform Jane in all middle and high school subjects.
B) starting in high school, Jane will begin to outperform Jerry in all subjects that require intensive memorization.
C) Jane will fail miserably at any task involving spatial skills, starting in 10^th grade.
D) Jerry will outperform Jane slightly in mathematical problem-solving starting in high school.