You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: Ray was traveling in rocket leaving orbit. He keeps the empty fuel containers on board so the ship can fly 
 Choices: A)higher 
B)lower
lower

Paragraph: The larger the animal, the heavier the exoskeleton, making movement more difficult.
 Question: An elephant, compared to a puppy, is a larger size, and therefore the weight of the elephant, compared to the puppy, is 
 Choices: A)greater 
B)lesser
greater

Paragraph: The sooner cancer is treated, the greater the chances of a cure.
 Question: Tina had her cancer discovered early. Her chances of a cure are likely _____ than if she had found it later. 
 Choices: A)higher 
B)lower

higher