Answer:
The answer is B. He believes in semi-strong form market efficiency.
Step-by-step explanation:
Whether Jack Bogle believed in the efficient market hypothesis was controversial. One of his famous saying on the issue: "Whatever the consensus on the Efficient Market Hypothesis, I know of no serious academic, professional money manager, trained security analyst, or intelligent individual investor who would disagree with the thrust of EMH: The stock market itself is a demanding taskmaster. It sets a high hurdle that few investors can leap.” He obviously believed although someone still doubts on the truth of the hypothesis, the market usually reflects the right value at the end.