In Which One of the Following Situations Are We Most

Multiple Choice

In which one of the following situations are we most likely to find transfer from one learning task to the other?

A) Alice learns how to add two-digit numbers and then studies how to add three-digit numbers.
B) Brianne learns how to plant corn and then learns how to prune a hedge.
C) Cathy learns early British history and then learns early Japanese history.
D) Devlin learns how to play softball and then learns how to play a card game.