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]: Dicots have ____ seeds leaves, whereas monocots have only one.\Question: Choose the right answer from options given a) four b) one c) seven d) two
[A]: d


[Q]: All birds have ____ legs with four toes each.\Question: Choose the right answer from options given a) zero b) one c) three d) two
[A]: d


[Q]: Thermal equilibrium occurs when ____ bodies have the same temperature.\Question: Choose the right answer from options given a) zero b) two c) seven d) four
[A]:
b