Without the friction (摩擦力) between feet and the ground people would be able to walk. A.

问题补充：

Without the friction (摩擦力) between feet and the ground, people would be able to walk.

A. in no time

B. by all means

C. on any account

D. in no way

答案：

A. in no time

B. by all means

C. on any account

(答案→)D. in no way

解析：A. in no time很快，B. by all means当然，C. on any account在任何情况下，D. in no way绝不，句意：没有脚和地面的摩擦力，人们可能不能行走。选D。