问答题
Would you please speak louder so that everyone can hear you？
A．fat people eat less food and are less active B．fat people eat more food than slim people and are more active C．fat people eat more food than slim people but are less active D．thin people run less, but have greater increase in food intake
A．preferred light tools B．were extremely self-reliant (自给的) C．had many tools D．had very few tools