I think the author does not present adequate evidence to support his argument. This is because all he wrote was a scenarios that he can envision given the circumstances. There are no accurate data given like statistics, transcriptions, or even bills or laws that supports his views. All I can glean is that these are suppositions that may or may not be true given the circumstances it is presented with.
The answer is:
It represents his depart from China to begin a new life in the United States.
In the poem "Garden of My Childhood," the author Kuangchi Chang compares his native country China to a childhood garden and mentions his decision to leave it for a new garden, meaning America. Moreover, he wonders what the future will bring there.
In this excerpt from Gray's <span><em>Elegy Written in a Country Churchyard, </em>the speaker points out at the sadness behind the gem that never gets taken out of its cave and the flower that blooms without a witness. The poem points out, through his regret, what the speaker considers the full potential of these things to be.
Therefore, your best answer is Gems, flowers and talents can be appreciated only when they're seen.</span>