图(甲)、(乙)是小车载着木块向右运动过程中发生的现象,下列判断

图(甲)、(乙)是小车载着木块向右运动过程中发生的现象,下列判断正确的是: 

A.图(甲)是小车突然停下时发生的; 

B.图(乙)是小车突然停下时发生的; 

C.都是小车突然停下时发生的; 

D.都是小车突然被拉动时发生的. 

答案

B

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