Answer: B is the correct answer for a direct object because that's what the sentence mainly about ( Which you already did it)
The next one is B again because she wanted pizza which is for direct object
I might get it wrong but these are my guesses
Hamlet felt sorry for Claudius.
1) the children are watching a documentary now
2)bruce did not have a pet when he was a child
3) sauroposeidons are the largest dinosaurs that ever lived
4) the museum usually opens at 9:00
5) patrick loves to play chess with his friends