The code below compiled and executed without issue before the addition of the line declaring errorStatus. Why does this line break the code?

sealed class Status(){
  object Error : Status()
  class Success : Status()
}
fun main(){
  var successStatus = Status.Success()
  var errorStatus = Status.Error()
}

A. StatusError is an object, not a class and cannot be instantiated

B. Only one instance of the class Status can be instantiated at a time

C. Status.Error must be declared as an immutable type

D. Status.Error is pribate to class and cannot be declared externally

Answer: Option A