The answer is A. not long after
Example: Bob forgot to lock the door. Not long after a thief noticed the unlocked door and stole all of Bob's valuables.
If Dorothy and her companions had not been captured by the Wicked Witch of the West, they would not have been able to kill her. The Wicked Witch of the West is the one who brought Dorothy and her companions closer to her.
Dorothy was supposed to kill the Wicked Witch of the West but it was a long journey. The Wicked Witch of the West sent her supporters to capture Dorothy and her companions. Then Dorothy threw a bucket of water on the witch and thus killed her.
Shakespeare wrote 154 sonnets.
<span>The correct option is B. Mike joined the Army, and he became more disciplined during the training. The correct way to connect these two clauses is to introduce a conjunction "and." A is incorrect because there should be a comma/conjunction between the words Army and he. C is incorrect because that semi colon is just randomly and incorrectly placed without a context. D is incorrect because there should also be the word "and" before "he."</span>