漫画《申报“吉尼斯”：世界最大牙签》所蕴涵的哲学启示是

A．实践是认识的基础

B．要充分发挥人的主观能动性

C．意识具有能动作用，要发挥精神的力量

D．要正确发挥主观能动性必须按客观规律办事

We meant to finish the work by dark, but we were so tired that we could not ______.

A．hold on

B．last on

C．carry on

D．keep to