Macbeth starts to deny the witches prophecy, but once the first two come true in his eyes, he starts to believe the lie that they are spreading to him. :) He starts to believe luck is on his side and that makes him powerful.
I would say the answer is D
Answer:
A - Orwell draws parallels between Mr. Pilkington and the other farmers in town to show how dictatorial practices can be spread.
The best resource for comparing and contrasting information on cancer diseases would be option C --The science of malignant tumors. Option A is about how to beat a specific type of cancer but it does not compare or contrast information on different types of cancer. Option B seems to be a kind of biography, which may or may not contain specific information about cancer. Option D is a medical dictionary which probably contains information about different kinds of cancer, but to use it, the reader should know what word to look up. Option C is the only one addressing malignant tumors, and therefore, it is to be expected to provide information to compare and contrast different types of cancer.