Answer: B. taught by asking questions.
Socrates was a Greek philosopher considered one of the founders of Western philosophy. Socrates made no writings, but is known mainly by the accounts of his students Plato and Xenophon.
Socrates is also known for his method, called the "Socratic method." It is based on asking and answering questions to stimulate critical thinking. It is a method of hypothesis elimination, where each point is questioned, in an attempt to identify contradictions or implicit prejudices.