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]: Nymphs emerge in ____ to seven days and flatten themselves against the leaf to feed.\Question: Choose the right answer from options given a) one b) five c) nine d) two
[A]: b


[Q]: Embryos develop and hatch in about four weeks, then spend four to ____ months in the tadpole stage.\Question: Choose the right answer from options given a) five b) nine c) eight d) two
[A]: a


[Q]: Recluse spiders have six eyes arranged in ____ pairs in a semicircle on the forepart of the head.\Question: Choose the right answer from options given a) three b) six c) ten d) seven
[A]:
a