When hedging a European call in the binomial model, then: A. No initial capital is required to get the hedge. B. An arbitrage opportunity is exploited. C. There is no need to enter a short position in the risky asset. D. A martingale measure is traded on the market. Which of the following is wrong? A. If there is an EMM, then any claim can be given a price (at time zero) which is consistent with (NA). B. If there is a claim which can be given an initial price which is consistent with (NA), then there is an EMM for the market. C. If every claim has a unique price which is consistent with (NA), then every claim can be hedged. D. If every claim can be hedged, then there is a unique EMM