题目内容：
通读下面的短文，回答题。 Yuichiro Miura lives by the saying that nothing is impossible． For him, that means climbingQomolangma, the world's highest mountain, at the age of $0． He 21 to climb it for the 22 time next month． He reached its top at ages 70 and 75． If he succeeds this time, he will 23 therecord for the oldest person to climb the 8．844-meter-high mountain．
The record, 24 ,is not what pushes him on． Instead, he wants to know how a person of hisage will 25 and deal with the terrible cold, 26 air and low oxygen (氧气)levels on such ahigh mountain． He believes those 27 will add 70 years to the age of his body once he 28 tothe top． His daughter,Emili Miura, 29 others that he will feel like someone 150 years old．
"Nobody ever lived that long, and he' s so 30 to know how it would be like, "she said． "Hewould like to know what is the 31 of humans． "Emili Miura said her father thinks that one shouldalways set a higher 32 for oneself and try to achieve it．
Yuichiro Miura faces more dangers 33 health problems． He has had three heart operations
in 34 years, and he suffered two 35 bones in a sport accident in 2009． Nobody would sayit' s wise for an S0-year-old person to make the climb,but Mr． Miura believes that nothing is impossible．
________ A．begs
B．plans
C．needs
D．refuses
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