The phrase "floating down the river of life with no oars" （Para.2)means that people tend t

The phrase "floating down the river of life with no oars" (Para.2)means that people tend to______.

A．lead a fulfilling life

B．follow their old habits

C．pursue a fruitful life

D．keep themselves busy

请帮忙给出正确答案和分析，谢谢！