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').

[Q]: Pupae usually transform into adults ____ to three days later.\Question: Choose the right answer from options given a) one b) two c) no d) eight
[A]: b


[Q]: Cats have ____ toes on their front paws, but only four touch the ground when walking.\Question: Choose the right answer from options given a) six b) nine c) five d) zero
[A]: c


[Q]: Blueberries are about ____ times bigger in size as bilberries and they taste alike.\Question: Choose the right answer from options given a) three b) nine c) two d) seven
[A]:
a