It’s to underline the feature ?
Answer:
Adjectives- Massive, long, silver adverbs- gently
Explanation:
I can tell you what it's not if you're having trouble understanding parallel structure...
"I think I will make a good president because I am honest, trustworthy, and I’m behaving responsibly.<span>"
If this was using parallel structure, it would be "...</span>because I am honest, trustworthy, and responsible."
"<span>I have many plans for the student council, such as making the council more organized, to ensure everyone has a voice, and I’ll be managing meetings more efficiently."
</span>For this, it'd have to be, "...such as making the council more organized, ensuring everyone has a voice, managing meetings more efficiently."
I'm not sure which sentence it actually is though. It's possible it's the last sentence.
C) The infinitive to learn acts as an adverb in the sentence