【单选题】

He has been called the "missing link." Half-man, half-beast. He is supposed to live in the highest mountain in the world - MountEverest.

He is known as theAbominable Snowman. The (41) of the Snowman has been around for (42) .Climbers in the 1920s reported finding marks like those of human feet high up on the side of MountEverest. The native people said they (43) this creature and called it the " Yeti, " and they said that they had (44) caught Yetis on two occasions (45) none has ever been produced as evidence(证据).
Over the years, the story of the Yetis has (46) . In 1951,Eric Shipton took photographs of a set of tracks in the snow ofEverest. Shipton believed that they were not (47) the tracks of a monkey or bear and (48) that theAbominable Snowman might really (49) .
Further efforts have been made to find out about Yetis.But the only things people have ever found were (50) footprints. Most believe the footprints are nothing more than (51) animal tracks, which had been made (52) as they melted(融化) and refroze in the snow. (53) , in 1964, a Russian scientist said that theAbominable Snowman was (54) and was a remaining link with the prehistoric humans.But, (55) , no evidence has ever (56) been produceD、
These days, only a few people continue to take the story of theAbominable Snowman (57) .But if they ever (58) catching one, they may face a real (59) : Would they put it in a (60) or give it a room in a hotel
A、entirely B、naturally C、clearlyD、simply