Olympic swimmer Michael Phelps【C1】______Sunday that he had【C2】______in "regrettable" behavior. and "demonstrated bad【C3】______" after a photo was published that appeared to【C4】______him smoking cannabis(大麻制品). A British newspaper, The News of the World, published the【C5】______allegedly showing the multiple Olympic gold medal-winner inhaling from a glass pipe which is gene rally used to【C6】______the drug. "I engaged in behavior. which was regrettable and demonstrated bad judgment," Phelps said in a【C7】______, "Im 23 years old, and【C8】______the successes I have had in the【C9】______, I acted in a youthful and【C10】______way, not in a manner that people have come to expect from me." "For this, I am sorry. I promise my fans and the public—it will not happen again." The US Olympic Committee【C11】______disappointment in the swimmer, who on January 22 was named the USOCs Sportsman of the Year for making Olympic history in Guangzhou by collecting the most【C12】______won by any athlete at a single Games, giving him a total of 14 golds. "We are disappointed in the behavior. recently【C13】______by Michael Phelps." Michael is a role model, and he is well【C14】______of the responsibilities and accountability that come with setting a【C15】______example for others,【C16】______young people. In this instance, regrettably, he failed to【C17】______those responsibilities, the USOC said. The photograph shows Phelps,【C18】______a white T-shirt and a baseball cap back to front,【C19】______the pipe—known as a bong—to his lips and apparently inhaling. The tabloid(小报)quoted a party goer as saying: "You could tell Michael had smoked before. He grabbed the bong and a lighter and knew exactly【C20】______to do."
【C1】

A. declared
B. realized
C. admitted
D. promised