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]: Sugar beet is strongly self-sterile setting few or ____ seeds under strict isolation.\Question: Choose the right answer from options given a) three b) no c) five d) nine
[EX A]: b

[EX Q]: Indian reservations are part of five of the nation's ____ poorest counties.\Question: Choose the right answer from options given a) seven b) nine c) ten d) two
[EX A]: c

[EX Q]: Puppies open their eyes about ____ to eleven days following birth .\Question: Choose the right answer from options given a) three b) nine c) no d) zero
[EX A]:
b