Answer:
The present perfect tense is used when talking about experiences from the past, a change or a situation that has happened in the past but is still continuing today.
Explanation:
He is comparing his heart to an empty nest because he feels alone and depressed, sort of like a feeling of dreary emptiness when viewing a picture of an empty nest.
I think it is C. Each step from first to last is presented in order
Let me know if it's correct
The teddy bear symbolizes Cara's love for her grandfather because that text states that "Now, every time Cara misses her grandfather, she holds on tightly." This statement supports that everytime Cara misses her grandfater she squeezes it tightly to remind her love for him.