An intransitive verb is a type of a verb which doesn't need a direct object after it. As you can see, sentences A, B, and C have direct objects following a verb (A: balance and agility; B: sick or injured skiers; C: snowboards to the ski slopes) which means they all have transitive verbs.
Therefore, the correct answer is D. Winter storms arrive suddenly in the mountains.
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.
No. That is a complete sentence.
I think B shows the best sentence fluency because all the others are really choppy sentences. Ther is constantly an abrupt stop in the other sentences.
