全部位于热带的省是

A．海南省

B．台湾省

C．广东省

D．云南省

This is my letter to the World
That never wrote to Me—
The simple News that Nature told—
With tender Majesty
Questions:
A. Identify the poet.
B. What idea does the poem express
C. Why does the poet use dashes and capital letters in the poem