In Which of the Following Situations Would a Minor Be

In which of the following situations would a minor be unable to disaffirm a contract which he had made?

A) Upon restoring the consideration received in a situation involving a fully executed contract.
B) Where real property is involved, upon reaching the age of majority.
C) During the time of his minority or for a reasonable time thereafter.
D) Where the minor wishes to perform part of a contract and disaffirm another part of the same contract.