In Ohio, under what circumstance could someone be allowed to carry a concealed firearm without a license?

In Ohio, it is illegal to carry a concealed firearm without a license except for certain circumstances. These include carrying the firearm openly and when inside one's own home. Therefore, options A and C are incorrect because they do not pertain to carrying a concealed firearm without a license. Option D is incorrect because although it mentions some exceptions, it is not completely accurate as option A is also not allowed. The correct answer is B because it accurately identifies one of the circumstances under which someone could carry a concealed firearm without a license in Ohio.