The lines that contain metaphors are:
1)“My thoughts of you are golden coins”
2) “Stamped in the mint of memory”
A metaphor is a literary device that makes an implicit comparison between unrelated items or ideas. Despite of the fact that they seem to differ in many respects, there is a hidden connection between them. It differs from others figures of speech; namely Simile as it refers to an explicit comparison (use of “like” or “as”) that is established between to ideas or items.
In this particular poem, the author says that her thought is a very valuable treasure to her, especially because they are related to a special person to her. For this reason, the author makes a comparison between her thoughts and the treasured golden coins. Then, she continues adding another metaphor. She says that these precious memories will never disappear as they kept in her memory as golden coins are safe and properly stored in a mint.
B. from the dog at the door
“are climbing” is in present progressive tense.
The PRESENT PROGRESSIVE TENSE indicates continuing action, something going on now. This tense is formed with the helping "to be" verb, in the present tense, plus the present participle of the verb (with an -ing ending): "I am buying all my family's Christmas gifts early this year.
The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.
b.i'll spare you my woes and worries. may my burdens breathe better tomorrow.