Answer: C) any man who was a man could travel alone.
In this sentence, the speaker reveals his attitudes and thoughts towards the idea of travelling. He states that he believes any man who was truly a man was able to travel alone. He includes himself in this statement, showing that he thinks of himself as a "true man." This shows an attitude of pride, and it shows that the speaker is very confident about his abilities, and not ignorant about his surroundings.
I didn't listen to the entire song (though it is very cheerful, with a nice melody), but everything I heard was in a nice 4-beat oom-pah rhythm (or boom-chuck rhythm, or bass-chord rhythm), and I would give it a 4/4 time signature.