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]: Firebrat eggs hatch in about ____ weeks.\Question: Choose the right answer from options given a) ten b) one c) two d) no
[A]: c


[Q]: Mosquitoes spend one to ____ days in the pupae stage.\Question: Choose the right answer from options given a) zero b) two c) five d) three
[A]: b


[Q]: Scorpions have ____ parts, adding a tail to the arachnid cephalothorax and abdomen.\Question: Choose the right answer from options given a) four b) no c) three d) five
[A]:
c