The correct answer is (B) traditional knowledge; body of knowledge on a particular subject, especially of a traditional, anecdotal, or popular nature; body of traditions on a subject. Also, knowledge, learning, erudition, or scholarship.

Lore comes from Old English lar, Dutch leer, German lehre.

Examples of use:

• Many of his stories came from folk-lore that had been handed down to him.
• One week at scout camp greatly increased his knowledge of camp lore.