The accompanying figure represents Lack's hypothesis on clutch size.According to this hypothetical data,________.

A) the probability of survival for individual nestlings decreases linearly with each successive increase in the clutch size
B) the probability of survival for individual nestlings increases, then decreases with each successive increase in the clutch size
C) the optimal clutch size in terms of survival rates is intermediate
D) A and C are both true.
E) All of the above are true.