Answer:
Ralph and Piggy feel enormous guilt over their part in Simon's murder. Piggy blames his participation on fear, where as, Ralph is unable to comprehend what led him to take part in Simon's death.
Explanation:
This quote means that whenever you are not feeling happy just have a smile on your face.
Um, C looks like I fits the sentence.
Yes most humans unlike animals are able to have a thinking process of a cause and effect