单选题

现有字符串S= "Where there's a will there's a way.",现在需要计算并输出字符串中'e'在S出现的次数,正确的语句是?( )

A

print(S.find('e',1))

B

print(S.index('e'))

C

print(S.count('e'))

D

print(S.index('e',0,len(S)))

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