$A$ mass of $1\, kg$ is suspended by a string $A$. Another string $C$ is connected to its lower end (see figure). If a sudden jerk is given to $C$,then

  • A
    The portion $AB$ of the string will break
  • B
    The portion $BC$ of the string will break
  • C
    None of the strings will break
  • D
    The mass will start rotating

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