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').
--------
Question: Elephants rise ____ inches when they inhale.\Question: Choose the right answer from options given a) two b) five c) one d) eight

Answer: a


Question: Quarks also come in ____ 'colours', terms for a property a little like electrical charge.\Question: Choose the right answer from options given a) three b) nine c) six d) no

Answer: a


Question: Children usually become afraid of the dark between the ages of ____ and five.\Question: Choose the right answer from options given a) zero b) three c) six d) nine

Answer:
b