Answer:
The author of that quote was Charles Dickens, in his book <em>A Tale of Two Cities</em>. He wrote and got this novel published back in 1859. It narrates the story in the context of the French Revolution, offering drama and high detailed description of many violent events during life in the 18th Century. Finally, it is known that Charles Dickens was inspired by Thomas Carlyle's The French Revolution for writing this novel.
I would go with D. Only hard work and effort can bring success.
<span>It only takes one pistil for seeds to be fertilized, but it doesn't guarantee that the pollen will find it way to the pistil. In insect pollinated plants, the insects may visit a different species next, so the pollen would go to the "wrong" type of plant. So by producing more stamens (and therefore more pollen) it increases the chances that at least some pollen gets to the "right" place.</span>