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: Plants can uptake ____ times more nutrients, and improve soil texture at the same time.\Question: Choose the right answer from options given a) no b) two c) three d) ten

Answer: d


Question: Granite occurs in ____ separate masses.\Question: Choose the right answer from options given a) two b) eight c) nine d) no

Answer: a


Question: Fleas can stay in the cocoon for periods ranging from less than a week to more than ____ months.\Question: Choose the right answer from options given a) one b) four c) ten d) five

Answer:
b