I think the central idea is The people
B-
A is opposite
C is an absolute- it is not the only part of the ocean that is warm
D- same as C
Monolith that's all I could think of I am studying that right now
Answer:
1) He told to the teacher good morning.
2) He told is he looking smart.
3) We told what a nice place it is.
4) He promised that he will do it tomorrow.