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]: Tardigrades are microscopic, water-dwelling, segmented animals with ____ legs.\Question: Choose the right answer from options given a) eight b) nine c) one d) seven
[A]: a


[Q]: Routers are basically systems, which connect ____ networks together.\Question: Choose the right answer from options given a) three b) two c) nine d) six
[A]: b


[Q]: Some filamentous colonies show the ability to differentiate into ____ different cell types.\Question: Choose the right answer from options given a) one b) ten c) four d) three
[A]:
d