Answer:
Simile,
B). It indicates that the love Frida once felt has died.
Step-by-step explanation:
The excerpt from "Sonnet in Primary colors" by Rita Dove portrays a picture of Frida Kahlo who is a painter and an activist. She employs different figures of speech like imagery, allusion, metaphor, simile, etc. to strengthen his point. In the given excerpt, she uses simile in "hundred dogs panting like children". The stanza focuses on the Frida's who was married to Diego Rivera and illustrates that the love Frida once had for Diego had died now. Thus, the answer is simile and option B.