A, because the topic sentence makes no sense
The faulty logic in this sentence is an example of an either-or-fallacy. Given the construction of this type of fallacy it posits that the potential outcomes of a situation are usually a singular event such as in this example the only result is a prolonged strike and it will be economically crippling, this may happen but a variety of options could happen as well.
i believe it is A) The boy did not know what the bird was saying, "out of my why,you stupid creature!" he cried, flinging a stone at it
It gives the passage a breathless, suspenseful feel.