In my opinion, the correct option would be, "She had been participating in songwriting contests since she was ten: noting fulfilled her more than music".
I'd say the answer is 'the visible is more dangerous than the invisible', because Duncan never suspected that his faithful Macbeth would be the one to kill him.
the answer is the 3rd option because the bullet is moving in a straight line
Because she is wary of strangers who might falsely claim to be her husband