It is a simile
The sentence is comparing the arms to helicopters blades using *like
He was brazen when he won the race
What the charter is feeling like
If this were a question on my test, I'd probably go for tolerant or sentimental. I'd probably go for sentimental, because if the sentence had a more tolerant tone, it would say something like "My car isn't the greatest, but I can live with it".
Answer:
A plenty of trees were planted on tree plantation day.
Explanation: