单选题
想得到的输出为"My name is Kevin and I am 10 years old."以下选项正确的是?( )
A.
print('My name is %s and I am %d years old.',%('Kevin',10))
B.
print('My name is %s and I am %d years old.'%('Kevin',10))
C.
print('My name is %c and I am %d years old.'%('Kevin',10))
D.
print('My name is %s and I am %d years old.'%',Kevin',))
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