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]: Neutrinos are particles with almost ____ mass and no electric charge.\Question: Choose the right answer from options given a) no b) two c) zero d) five
[A]: a


[Q]: Turkey also has ____ inland drainage basins.\Question: Choose the right answer from options given a) zero b) two c) eight d) nine
[A]: b


[Q]: Bees have sentinels, gobies sentinel their nests for from ____ to nine days.\Question: Choose the right answer from options given a) two b) four c) three d) six
[A]:
d