I think the first one is D
The answer is:
D) by showing what a typical bicycle looked like at the turn of century.
Hope it helps!
The author mean by the sentence “The West Riding men are sleuth-hounds in pursuit of money” is <span>A man that she knew, who was a small manufacturer, had engaged in many local speculations, which had always turned out well, and thereby rendered him a person of some wealth.</span>