Noise I believe, since that is what is being escaped from by the hiker
Dove is the correct way to say it.
The proper way to write the sentence would be "However, no one believed rumors about the Komodo dragon either." Since commas are used after words like "first, second, third, then, finally, however, but..." there would only be 1 comma in this sentence.
I hope this helps!!
The right answer is: B. RE: Stop By My Office Later