Correct, but pros and cons mean , positive and negative aspects
The mood (or tone) of the prologue is considered as sombre, dark, macabre... since from the start we're being told that this story is going to be a story of love, death and loss.
Answer:
b. He asked if I would help him with that essay as he would have to hand it in the tomorrow.
B
Data mining
B
The answer is b