Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

Most ovarian cysts go away on their own in ____ to three months without causing any problems.\Question: Choose the right answer from options given a) one b) ten c) five d) eight
a

Right whales are slow swimmers, averaging just ____ miles per hour.\Question: Choose the right answer from options given a) nine b) six c) two d) five
b

Health prevails when the ____ humors of the body are in balance, disease when there is imbalance.\Question: Choose the right answer from options given a) two b) eight c) four d) five

c