Choice C is the best answer because it presents a description of how the human mind is like a flower that is directly supported by the text. The text compares the needs of a “fragile and lovely flower” to those of the speaker’s “tender mind”: both need to be fed if they’re going to survive. Without such feeding, they’ll “beginneth straightway to languish,”or weaken. Thus, the text suggests that the human mind is like a flower in that they both need proper nourishment in order to thrive.
Choice A is incorrect because the text doesn’t address the passage of time or describe either the human mind or a flower as becoming increasingly vigorous. Choice B is incorrect because the text doesn’t suggest that human minds or flowers drawstrength from changes in weather. The references to rain in the text pertain to a flower’s need for water rather than the general effects of changing weather. Choice D is incorrect because the text doesn’t suggest that the human mind or a flower will persist regardless of challenging circumstances. In fact, the text indicates that they’ll both languish right away if not given what they need.