10. Felipe, Adam, and Shirley are neighbors. Felipe overhears Adam's offer to sell an antique clock to Shirley for $3,000. Under these circumstances, A. Shirley cannot make a counteroffer to Adam to buy the clock for $2,500. B. Felipe can make a new offer to Adam when he offers to buy the clock for $3,000. C. Felipe accepts the original offer made to Shirley when he accepts to buy the clock from Adam for $3,000. D. Adam cannot make a new offer to sell the clock for $3,500 to Felipe