Please help, this my last chance to this quiz and i need to pass. thank you <3

Composition about "the day i ran away" with 500 words

When i was four years old, my dad and i a tree in our front yard. it was a tiny, fragile sapling. he promised me that it would grow tall and strong, but he said that i had to be patient. until i turned 18 years old, dad and i it every year on my birthday. choose the words that correctly fill in the blanks.

Which word best describes the meaning of the word putrescent? a. earthy b. floral c. rotten d. strong