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').
--------
Question: Gases are perhaps the best understood of the ____ states of matter.\Question: Choose the right answer from options given a) three b) five c) nine d) zero

Answer: a


Question: Parliaments can last five years, often last ____ and a bit.\Question: Choose the right answer from options given a) four b) three c) five d) two

Answer: a


Question: All earwigs have ____ body parts , head , thorax , and abdomen .\Question: Choose the right answer from options given a) three b) ten c) no d) six

Answer:
a