Answer:
I believe it is "C".
Explanation:
I am not sure if this is right or not at all, but I have a feeling that it is "C" because both a Willow Tree and a Disease are Nouns.
Relating to, denoting, or preserving the character of an early stage in the evolutionary or historical development of something.
<span>C.Dominic leaves his umbrella at home, even though the weather report says it might rain. </span>
