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').

[EX Q]: Fluoroscopy has ____ magnification modes and image capture.\Question: Choose the right answer from options given a) zero b) two c) nine d) eight
[EX A]: b

[EX Q]: Reality is more than what can be perceived with the ____ senses.\Question: Choose the right answer from options given a) five b) four c) ten d) one
[EX A]: a

[EX Q]: Chough chicks at around ____ days old.\Question: Choose the right answer from options given a) zero b) four c) ten d) two
[EX A]:
c