I believe this is the same concept of " never judge a book by it's cover" simply meaning you should never judge someone because of their outward appearance or actions, you don't know what is going on in there lives.
I am going with option C.
They are known for being smart.
Eager: very compelled or excited to perform a certain action.
Answer:
seldom
Explanation:
compare and contrast right? if it is then transitionAl words are the ones that show similarities but seldom is not a transitional word
Answer:
maddest mapped maddness banddge