I'd say the correct answer is B, because 'in the desert is part of the subject/noun 'canyon', and modifies it, that is, refers to it, describes it in more detail.
The reason a writer has to write something
Answer:
The use of parallelism emphasizes the speaker's Irish identity.
Explanation:
Both statements illustrate the author's affiliation with Kiltartan, a parish in County Galway, Ireland. Using a little outside context, we'll know that this poem was written shortly after the Easter Uprising, an Irish rebellion against British tyranny that largely set the stage for The Troubles. The poems of Yeats contain a great deal of ironic patriotism, which has heavily influenced the works of many contemporary Irish writers such as Anne Casey or Emer Martin.
I see only two pronouns here: "you" and "I" - they are both personal pronouns, so the correct answer, whichever of them is underlined, must be "personal".
Some more information that might help:" a reflexive pronoun usually ends with -self, for example: oneself.
A demonstrative pronoun is for example "this"
