Ramona Is a Woman

Multiple Choice

Ramona is a woman.Stefan is a man.Which of the following hypotheses is most tenable regarding potential differences between the brains of these two individuals?

A) Stefan's brain may be quite a bit larger than Ramona's.
B) Ramona's corpus callosum may be quite a bit larger than Stefan's.
C) Ramona's corpus callosum may be slightly larger than Stefan's.
D) Ramona's corpus callosum may be slightly smaller than Stefan's.