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]: Living cells have at least ____ parts.\Question: Choose the right answer from options given a) seven b) three c) zero d) four
[EX A]: b

[EX Q]: Sexual reproduction is varied in ____ ways.\Question: Choose the right answer from options given a) seven b) two c) five d) three
[EX A]: d

[EX Q]: Jackrabbits can weigh ____ to six pounds.\Question: Choose the right answer from options given a) nine b) five c) three d) zero
[EX A]:
c