单选题：The word"moola"( Line 4, Para.4) most probably means_______.

题目内容：

The word"moola"( Line 4, Para.4) most probably means_______. A．skills
B．energy
C．earnings
D．nutrition

参考答案：

答案解析：

Most people would define optimism as being endlessly happy,

Most people would define optimism as being endlessly happy, with a glass that's

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